{"id":315349,"date":"2026-10-05T17:01:51","date_gmt":"2026-10-05T14:01:51","guid":{"rendered":"https:\/\/freevpnplanet.com\/signal-not-working\/"},"modified":"2026-10-05T19:08:33","modified_gmt":"2026-10-05T16:08:33","slug":"signal-not-working","status":"publish","type":"page","link":"https:\/\/freevpnplanet.com\/vi\/signal-not-working\/","title":{"rendered":"Signal Not Working"},"content":{"rendered":"\n
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T\u00edn hi\u1ec7u kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng: Chuy\u1ec7n g\u00ec \u0111ang x\u1ea3y ra v\u00e0 ph\u1ea3i l\u00e0m g\u00ec?<\/h1>\n\n\n\n

Khi Signal g\u1eb7p s\u1ef1 c\u1ed1, v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 bi\u1ec3u hi\u1ec7n r\u1ea5t kh\u00e1c nhau t\u1eeb ng\u00e0y n\u00e0y sang ng\u00e0y kh\u00e1c. Tin nh\u1eafn c\u00f3 th\u1ec3 kh\u00f4ng t\u1ea3i \u0111\u01b0\u1ee3c, \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 kh\u00f4ng m\u1edf \u0111\u01b0\u1ee3c, m\u00e3 x\u00e1c minh c\u00f3 th\u1ec3 kh\u00f4ng bao gi\u1edd \u0111\u1ebfn ho\u1eb7c cu\u1ed9c g\u1ecdi c\u00f3 th\u1ec3 \u0111\u1ed5 chu\u00f4ng m\u00e0 kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p xu\u1ea5t ph\u00e1t t\u1eeb m\u00e1y ch\u1ee7 c\u1ee7a Signal, s\u1ed1 kh\u00e1c t\u1eeb c\u00e0i \u0111\u1eb7t \u0111i\u1ec7n tho\u1ea1i, m\u1ea1ng ho\u1eb7c ch\u1eb7n truy c\u1eadp \u1edf qu\u1ed1c gia c\u1ee7a b\u1ea1n. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn t\u1eebng tr\u01b0\u1eddng h\u1ee3p, ch\u1ec9 ra c\u00e1ch ph\u00e2n bi\u1ec7t s\u1ef1 c\u1ed1 m\u1ea5t k\u1ebft n\u1ed1i to\u00e0n m\u1ea1ng v\u1edbi s\u1ef1 c\u1ed1 c\u1ee5c b\u1ed9 v\u00e0 gi\u1ea3i th\u00edch Planet VPN c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 \u1edf \u0111\u00e2u.<\/p>\n\n\n\n

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T\u1ea3i Planet VPN<\/a><\/div>\n<\/div>\n\n<\/div>\n\n\n
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\"\"<\/figure>\n<\/div>\n\n<\/div>\n<\/div>\n\n <\/div>\n<\/section>\n\n
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T\u1ea1i sao t\u00edn hi\u1ec7u kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng?<\/strong><\/h2>\n\n\n\n

Signal g\u1eedi m\u1ecdi tin nh\u1eafn, cu\u1ed9c g\u1ecdi v\u00e0 th\u00f4ng b\u00e1o qua k\u1ebft n\u1ed1i internet c\u1ee7a b\u1ea1n, v\u00ec v\u1eady b\u1ea5t c\u1ee9 \u0111i\u1ec1u g\u00ec l\u00e0m suy y\u1ebfu ho\u1eb7c l\u1ecdc k\u1ebft n\u1ed1i \u0111\u1ec1u c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng \u1ee9ng d\u1ee5ng. Thi\u1ebfu quy\u1ec1n truy c\u1eadp, ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m pin, t\u01b0\u1eddng l\u1eeda, VPN v\u00e0 c\u00e1c h\u1ea1n ch\u1ebf c\u1ea5p qu\u1ed1c gia \u0111\u1ec1u \u0111\u00f3ng vai tr\u00f2 nh\u1ea5t \u0111\u1ecbnh, v\u00e0 m\u1ed7i phi\u00ean b\u1ea3n Signal \u0111\u01b0\u1ee3c ph\u00e1t h\u00e0nh \u0111\u1ec1u ng\u1eebng ho\u1ea1t \u0111\u1ed9ng sau 90 ng\u00e0y. H\u00e3y b\u1eaft \u0111\u1ea7u v\u1edbi nh\u1eefng ki\u1ec3m tra nhanh n\u00e0y.<\/p>\n\n\n\n

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C\u00e1ch kh\u1eafc ph\u1ee5c<\/h4>\n\n\n\n
    \n
  1. Ki\u1ec3m tra xem c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c c\u00f3 th\u1ec3 truy c\u1eadp internet hay kh\u00f4ng, sau \u0111\u00f3 chuy\u1ec3n \u0111\u1ed5i gi\u1eefa Wi-Fi v\u00e0 d\u1eef li\u1ec7u di \u0111\u1ed9ng.<\/li>\n\n\n\n
  2. C\u1eadp nh\u1eadt Signal t\u1eeb App Store, Google Play ho\u1eb7c signal.org\/install.<\/li>\n\n\n\n
  3. Kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n.<\/li>\n\n\n\n
  4. K\u00edch ho\u1ea1t l\u1ea1i quy\u1ec1n truy c\u1eadp c\u1ee7a Signal v\u00e0 t\u1eaft ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m pin.<\/li>\n\n\n\n
  5. H\u00e3y t\u1ea1m d\u1eebng b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng VPN, t\u01b0\u1eddng l\u1eeda ho\u1eb7c l\u1ecdc DNS n\u00e0o \u0111\u1ec3 xem li\u1ec7u ch\u00fang c\u00f3 \u0111ang h\u1ea1n ch\u1ebf Signal hay kh\u00f4ng.<\/li>\n<\/ol>\n<\/div>\n\n\n\n

    T\u00edn hi\u1ec7u c\u00f3 \u0111ang g\u1eb7p s\u1ef1 c\u1ed1 kh\u00f4ng, hay ch\u1ec9 l\u00e0 do b\u1ea1n?<\/strong><\/h2>\n\n\n\n

    Signal th\u1ec9nh tho\u1ea3ng g\u1eb7p s\u1ef1 c\u1ed1, th\u01b0\u1eddng l\u00e0 do nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u00e1y ch\u1ee7 g\u1eb7p tr\u1ee5c tr\u1eb7c. Trong nh\u1eefng l\u00fac s\u1ef1 c\u1ed1 x\u1ea3y ra, ng\u01b0\u1eddi d\u00f9ng \u1edf nhi\u1ec1u qu\u1ed1c gia c\u00f9ng b\u00e1o c\u00e1o m\u1ed9t v\u1ea5n \u0111\u1ec1 gi\u1ed1ng nhau: tin nh\u1eafn kh\u00f4ng g\u1eedi \u0111\u01b0\u1ee3c ho\u1eb7c kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c, v\u00e0 \u1ee9ng d\u1ee5ng li\u00ean t\u1ee5c c\u1ed1 g\u1eafng k\u1ebft n\u1ed1i. Trang tr\u1ea1ng th\u00e1i ch\u00ednh th\u1ee9c t\u1ea1i status.signal.org c\u00f3 th\u1ec3 c\u1eadp nh\u1eadt ch\u1eadm so v\u1edbi di\u1ec5n bi\u1ebfn s\u1ef1 c\u1ed1 nhanh ch\u00f3ng, v\u00ec v\u1eady h\u00e3y so s\u00e1nh n\u00f3 v\u1edbi c\u00e1c b\u00e1o c\u00e1o s\u1ef1 c\u1ed1.<\/p>\n\n\n\n

    \n

    C\u00e1ch kh\u1eafc ph\u1ee5c<\/h4>\n\n\n\n
      \n
    1. M\u1edf trang status.signal.org v\u00e0 ki\u1ec3m tra tr\u1ea1ng th\u00e1i hi\u1ec7n t\u1ea1i.<\/li>\n\n\n\n
    2. H\u00e3y t\u00ecm ki\u1ebfm s\u1ef1 gia t\u0103ng \u0111\u1ed9t bi\u1ebfn trong c\u00e1c b\u00e1o c\u00e1o tr\u00ean c\u00e1c c\u00f4ng c\u1ee5 theo d\u00f5i s\u1ef1 c\u1ed1 nh\u01b0 Downdetector.<\/li>\n\n\n\n
    3. H\u00e3y theo d\u00f5i c\u00e1c t\u00e0i kho\u1ea3n m\u1ea1ng x\u00e3 h\u1ed9i ch\u00ednh th\u1ee9c c\u1ee7a Signal \u0111\u1ec3 c\u1eadp nh\u1eadt th\u00f4ng tin.<\/li>\n\n\n\n
    4. H\u00e3y h\u1ecfi ng\u01b0\u1eddi quen \u1edf th\u00e0nh ph\u1ed1 ho\u1eb7c qu\u1ed1c gia kh\u00e1c xem Signal c\u00f3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi h\u1ecd kh\u00f4ng.<\/li>\n\n\n\n
    5. N\u1ebfu m\u1ecdi d\u1ea5u hi\u1ec7u \u0111\u1ec1u cho th\u1ea5y c\u00f3 s\u1ef1 c\u1ed1 m\u1ea5t \u0111i\u1ec7n, h\u00e3y ch\u1edd. Kh\u00f4ng c\u00f3 g\u00ec c\u1ea7n s\u1eeda ch\u1eefa tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n.<\/li>\n<\/ol>\n<\/div>\n\n\n\n

      Kh\u00f4ng t\u1ea3i \u0111\u01b0\u1ee3c t\u00edn hi\u1ec7u<\/strong><\/h2>\n\n\n\n
      \"\"\/<\/figure>\n\n\n\n

      Khi Signal m\u1edf nh\u01b0ng tin nh\u1eafn kh\u00f4ng t\u1ea3i \u0111\u01b0\u1ee3c, tin nh\u1eafn m\u1edbi kh\u00f4ng hi\u1ec7n l\u00ean ho\u1eb7c \u1ee9ng d\u1ee5ng d\u01b0\u1eddng nh\u01b0 b\u1ecb k\u1eb9t \u1edf b\u01b0\u1edbc k\u1ebft n\u1ed1i, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 \u1ee9ng d\u1ee5ng kh\u00f4ng th\u1ec3 duy tr\u00ec k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh v\u1edbi m\u00e1y ch\u1ee7 c\u1ee7a Signal. C\u00e1c nguy\u00ean nh\u00e2n th\u01b0\u1eddng g\u1eb7p bao g\u1ed3m Wi-Fi y\u1ebfu, m\u1ea1ng l\u1ecdc l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp ho\u1eb7c \u1ee9ng d\u1ee5ng VPN hay t\u01b0\u1eddng l\u1eeda.<\/p>\n\n\n\n

      Signal c\u1ea7n c\u00f3 *.signal.org tr\u00ean c\u1ed5ng TCP 443 c\u00f9ng v\u1edbi c\u00e1c c\u1ed5ng UDP m\u1edf, \u0111i\u1ec1u m\u00e0 m\u1ed9t s\u1ed1 m\u1ea1ng v\u0103n ph\u00f2ng, tr\u01b0\u1eddng h\u1ecdc v\u00e0 kh\u00e1ch s\u1ea1n h\u1ea1n ch\u1ebf.<\/p>\n\n\n\n

      \n

      C\u00e1ch kh\u1eafc ph\u1ee5c<\/h4>\n\n\n\n
        \n
      1. H\u00e3y chuy\u1ec3n \u0111\u1ed5i gi\u1eefa Wi-Fi v\u00e0 d\u1eef li\u1ec7u di \u0111\u1ed9ng \u0111\u1ec3 ki\u1ec3m tra m\u1ea1ng.<\/li>\n\n\n\n
      2. T\u1eaft b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng VPN, t\u01b0\u1eddng l\u1eeda ho\u1eb7c l\u1ecdc DNS n\u00e0o, sau \u0111\u00f3 th\u1eed l\u1ea1i.<\/li>\n\n\n\n
      3. H\u00e3y ki\u1ec3m tra xem ng\u00e0y gi\u1edd tr\u00ean thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp t\u1ef1 \u0111\u1ed9ng ch\u01b0a.<\/li>\n\n\n\n
      4. Tr\u00ean m\u1ea1ng m\u00e1y t\u00ednh c\u1ee7a c\u01a1 quan ho\u1eb7c tr\u01b0\u1eddng h\u1ecdc, h\u00e3y y\u00eau c\u1ea7u qu\u1ea3n tr\u1ecb vi\u00ean cho ph\u00e9p truy c\u1eadp *.signal.org tr\u00ean c\u1ed5ng TCP 443.<\/li>\n<\/ol>\n<\/div>\n\n\n\n

        T\u00edn hi\u1ec7u kh\u00f4ng m\u1edf<\/strong><\/h2>\n\n\n\n
        \"\"\/<\/figure>\n\n\n\n

        N\u1ebfu \u1ee9ng d\u1ee5ng t\u1ef1 \u0111\u1ed9ng \u0111\u00f3ng ngay khi b\u1ea1n ch\u1ea1m v\u00e0o ho\u1eb7c b\u00e1o phi\u00ean b\u1ea3n qu\u00e1 c\u0169, h\u00e3y ki\u1ec3m tra phi\u00ean b\u1ea3n tr\u01b0\u1edbc. C\u00e1c b\u1ea3n ph\u00e1t h\u00e0nh Signal s\u1ebd h\u1ebft h\u1ea1n sau 90 ng\u00e0y v\u00e0 \u1ee9ng d\u1ee5ng c\u1ea7n Android 6.0 ho\u1eb7c iOS 15 tr\u1edf l\u00ean.<\/p>\n\n\n\n

        Signal Desktop c\u0169ng c\u00f3 th\u1ec3 t\u1eeb ch\u1ed1i kh\u1edfi \u0111\u1ed9ng sau m\u1ed9t th\u1eddi gian d\u00e0i kh\u00f4ng s\u1eed d\u1ee5ng, sau khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c sao ch\u00e9p sang m\u00e1y t\u00ednh kh\u00e1c, sau khi \u0111\u1eb7t l\u1ea1i m\u1eadt kh\u1ea9u ho\u1eb7c tr\u00ean m\u1ea1ng doanh nghi\u1ec7p b\u1ecb h\u1ea1n ch\u1ebf truy c\u1eadp.<\/p>\n\n\n\n

        \n

        C\u00e1ch kh\u1eafc ph\u1ee5c<\/h4>\n\n\n\n
          \n
        1. C\u1eadp nh\u1eadt Signal t\u1eeb c\u1eeda h\u00e0ng \u1ee9ng d\u1ee5ng ho\u1eb7c signal.org\/install.<\/li>\n\n\n\n
        2. H\u00e3y \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u: Android 6.0, iOS 15, Windows 10 ho\u1eb7c macOS 13.<\/li>\n\n\n\n
        3. Gi\u1ea3i ph\u00f3ng dung l\u01b0\u1ee3ng l\u01b0u tr\u1eef. Signal khuy\u1ebfn ngh\u1ecb \u00edt nh\u1ea5t 50 MB cho vi\u1ec7c c\u00e0i \u0111\u1eb7t v\u00e0 c\u1eadp nh\u1eadt.<\/li>\n\n\n\n
        4. N\u1ebfu Signal Desktop v\u1eabn kh\u00f4ng m\u1edf \u0111\u01b0\u1ee3c, h\u00e3y c\u00e0i \u0111\u1eb7t l\u1ea1i v\u00e0 li\u00ean k\u1ebft l\u1ea1i v\u1edbi \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n. B\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n l\u1ecbch s\u1eed tin nh\u1eafn g\u1ea7n \u0111\u00e2y trong qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp.<\/li>\n<\/ol>\n<\/div>\n\n\n\n

          M\u00e3 x\u00e1c th\u1ef1c t\u00edn hi\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1eadn.<\/strong><\/h2>\n\n\n\n

          Vi\u1ec7c \u0111\u0103ng k\u00fd y\u00eau c\u1ea7u g\u1eedi tin nh\u1eafn SMS ho\u1eb7c g\u1ecdi \u0111i\u1ec7n \u0111\u1ebfn s\u1ed1 c\u1ee7a b\u1ea1n, v\u00e0 n\u1ebfu b\u1ea1n nh\u1eadp sai s\u1ed1 \u0111i\u1ec7n tho\u1ea1i, b\u1ed9 l\u1ecdc ng\u01b0\u1eddi g\u1eedi kh\u00f4ng x\u00e1c \u0111\u1ecbnh, m\u00e3 s\u1ed1 ng\u1eafn b\u1ecb ch\u1eb7n b\u1edfi nh\u00e0 m\u1ea1ng ho\u1eb7c s\u1eed d\u1ee5ng VPN, tin nh\u1eafn c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ebfn \u0111\u01b0\u1ee3c. Sau qu\u00e1 nhi\u1ec1u l\u1ea7n th\u1eed, Signal c\u0169ng s\u1ebd y\u00eau c\u1ea7u b\u1ea1n ch\u1edd m\u1ed9t gi\u1edd, m\u1ed9t ng\u00e0y ho\u1eb7c l\u00e2u h\u01a1n.<\/p>\n\n\n\n

          N\u1ebfu t\u00ednh n\u0103ng Kh\u00f3a \u0111\u0103ng k\u00fd \u0111\u01b0\u1ee3c b\u1eadt, b\u1ea1n s\u1ebd c\u1ea7n m\u00e3 PIN Signal \u0111\u1ec3 \u0111\u0103ng k\u00fd l\u1ea1i. Signal kh\u00f4ng th\u1ec3 \u0111\u1eb7t l\u1ea1i m\u00e3 PIN n\u00e0y, v\u00e0 vi\u1ec7c qu\u00ean m\u00e3 PIN c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea1n b\u1ecb kh\u00f3a t\u00e0i kho\u1ea3n trong t\u1ed1i \u0111a 7 ng\u00e0y.<\/p>\n\n\n\n

          \n

          M\u1eb9o: <\/strong>Nh\u1eadp s\u1ed1 \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n \u1edf \u0111\u1ecbnh d\u1ea1ng qu\u1ed1c t\u1ebf \u0111\u1ea7y \u0111\u1ee7 v\u00e0 b\u1ecf b\u1ea5t k\u1ef3 s\u1ed1 0 n\u00e0o \u0111\u1ee9ng tr\u01b0\u1edbc s\u1ed1 \u0111i\u1ec7n tho\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng. Tr\u00ean iPhone, h\u00e3y ki\u1ec3m tra th\u00eam danh s\u00e1ch Ng\u01b0\u1eddi g\u1eedi kh\u00f4ng x\u00e1c \u0111\u1ecbnh trong Tin nh\u1eafn, v\u00ec m\u00e3 x\u00e1c nh\u1eadn c\u00f3 th\u1ec3 n\u1eb1m \u1edf \u0111\u00f3.<\/em><\/p>\n<\/div>\n\n\n\n

          \n

          C\u00e1ch kh\u1eafc ph\u1ee5c<\/h4>\n\n\n\n
            \n
          1. H\u00e3y ki\u1ec3m tra xem b\u1ea1n c\u00f3 v\u00f9ng ph\u1ee7 s\u00f3ng di \u0111\u1ed9ng v\u00e0 c\u00f3 th\u1ec3 nh\u1eadn tin nh\u1eafn SMS t\u1eeb ng\u01b0\u1eddi g\u1eedi kh\u00f4ng x\u00e1c \u0111\u1ecbnh hay kh\u00f4ng.<\/li>\n\n\n\n
          2. N\u1ebfu kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c tin nh\u1eafn SMS, h\u00e3y y\u00eau c\u1ea7u g\u1ecdi tho\u1ea1i v\u00e0 t\u1eaft t\u00ednh n\u0103ng “T\u1eaft ti\u1ebfng cu\u1ed9c g\u1ecdi t\u1eeb s\u1ed1 kh\u00f4ng x\u00e1c \u0111\u1ecbnh” tr\u00ean iPhone.<\/li>\n\n\n\n
          3. H\u00e3y h\u1ecfi nh\u00e0 m\u1ea1ng c\u1ee7a b\u1ea1n xem m\u00e3 s\u1ed1 ng\u1eafn hay b\u1ed9 l\u1ecdc th\u01b0 r\u00e1c c\u00f3 \u0111ang ch\u1eb7n tin nh\u1eafn \u0111\u00f3 kh\u00f4ng.<\/li>\n\n\n\n
          4. H\u00e3y t\u1eaft VPN c\u1ee7a b\u1ea1n, ho\u1eb7c \u0111\u1ea3m b\u1ea3o r\u1eb1ng VPN cho ph\u00e9p truy c\u1eadp *.signal.org, trong qu\u00e1 tr\u00ecnh \u0111\u0103ng k\u00fd.<\/li>\n\n\n\n
          5. N\u1ebfu Signal b\u00e1o r\u1eb1ng b\u1ea1n \u0111\u00e3 th\u1eed qu\u00e1 nhi\u1ec1u l\u1ea7n, h\u00e3y \u0111\u1ee3i tr\u01b0\u1edbc khi th\u1eed l\u1ea1i.<\/li>\n<\/ol>\n<\/div>\n\n\n\n

            Th\u00f4ng b\u00e1o t\u00edn hi\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c g\u1eedi \u0111i<\/strong><\/h2>\n\n\n\n

            Signal hi\u1ec3n th\u1ecb tr\u1ea1ng th\u00e1i b\u00ean d\u01b0\u1edbi m\u1ed7i tin nh\u1eafn. M\u1ed9t v\u00f2ng tr\u00f2n ngh\u0129a l\u00e0 tin nh\u1eafn v\u1eabn \u0111ang \u0111\u01b0\u1ee3c g\u1eedi, m\u1ed9t d\u1ea5u t\u00edch ngh\u0129a l\u00e0 tin nh\u1eafn \u0111\u00e3 \u0111\u1ebfn \u0111\u01b0\u1ee3c d\u1ecbch v\u1ee5 c\u1ee7a Signal, v\u00e0 hai d\u1ea5u t\u00edch ngh\u0129a l\u00e0 tin nh\u1eafn \u0111\u00e3 \u0111\u1ebfn \u0111i\u1ec7n tho\u1ea1i c\u1ee7a ng\u01b0\u1eddi nh\u1eadn. Tin nh\u1eafn b\u1ecb k\u1eb9t \u1edf v\u00f2ng tr\u00f2n cho th\u1ea5y k\u1ebft n\u1ed1i c\u1ee7a ch\u00ednh b\u1ea1n, trong khi tin nh\u1eafn b\u1ecb k\u1eb9t \u1edf m\u1ed9t d\u1ea5u t\u00edch th\u01b0\u1eddng c\u00f3 ngh\u0129a l\u00e0 \u0111i\u1ec7n tho\u1ea1i kia \u0111ang ngo\u1ea1i tuy\u1ebfn ho\u1eb7c \u0111ang h\u1ea1n ch\u1ebf Signal.<\/p>\n\n\n\n

            \n

            C\u00e1ch kh\u1eafc ph\u1ee5c<\/h4>\n\n\n\n
              \n
            1. H\u00e3y \u0111\u1ea3m b\u1ea3o b\u1ea1n \u0111\u00e3 k\u1ebft n\u1ed1i internet v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/li>\n\n\n\n
            2. K\u00edch ho\u1ea1t l\u1ea1i quy\u1ec1n truy c\u1eadp c\u1ee7a Signal trong c\u00e0i \u0111\u1eb7t \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n.<\/li>\n\n\n\n
            3. V\u00f4 hi\u1ec7u h\u00f3a ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh b\u1ea5t k\u1ef3 VPN, t\u01b0\u1eddng l\u1eeda ho\u1eb7c \u1ee9ng d\u1ee5ng b\u00ean th\u1ee9 ba n\u00e0o \u0111ang h\u1ea1n ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Signal.<\/li>\n\n\n\n
            4. Cu\u1ed9n l\u00ean v\u00e0 x\u00f3a b\u1ea5t k\u1ef3 t\u1ec7p \u0111\u00ednh k\u00e8m l\u1edbn n\u00e0o v\u1eabn \u0111ang c\u1ed1 g\u1eafng g\u1eedi.<\/li>\n\n\n\n
            5. Ho\u00e0n th\u00e0nh m\u1ecdi y\u00eau c\u1ea7u captcha xu\u1ea5t hi\u1ec7n, sau \u0111\u00f3 g\u1eedi l\u1ea1i.<\/li>\n\n\n\n
            6. N\u1ebfu tin nh\u1eafn v\u1eabn hi\u1ec3n th\u1ecb tr\u00ean m\u1ed9t l\u1ea7n ki\u1ec3m tra, h\u00e3y y\u00eau c\u1ea7u ng\u01b0\u1eddi li\u00ean h\u1ec7 c\u1ee7a b\u1ea1n m\u1edf \u1ee9ng d\u1ee5ng Signal v\u00e0 ki\u1ec3m tra c\u00e0i \u0111\u1eb7t pin.<\/li>\n<\/ol>\n<\/div>\n\n\n\n

              Th\u00f4ng b\u00e1o Signal kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng<\/strong><\/h2>\n\n\n\n

              M\u1ed9t ph\u00e0n n\u00e0n th\u01b0\u1eddng g\u1eb7p l\u00e0 tin nh\u1eafn Signal ch\u1ec9 hi\u1ec3n th\u1ecb khi b\u1ea1n m\u1edf \u1ee9ng d\u1ee5ng. Nguy\u00ean nh\u00e2n n\u1eb1m \u1edf \u0111i\u1ec7n tho\u1ea1i nh\u1eadn tin nh\u1eafn: t\u1ed1i \u01b0u h\u00f3a pin, tr\u00ecnh ti\u1ebft ki\u1ec7m d\u1eef li\u1ec7u ho\u1eb7c ch\u1eb7n d\u1eef li\u1ec7u n\u1ec1n khi\u1ebfn Signal kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n

              Tr\u00ean Android, Signal d\u1ef1a v\u00e0o d\u1ecbch v\u1ee5 Google Play \u0111\u1ec3 g\u1eedi th\u00f4ng b\u00e1o \u0111\u1ea9y, v\u00ec v\u1eady \u1ee9ng d\u1ee5ng n\u00e0y c\u0169ng c\u1ea7n c\u1eadp nh\u1eadt v\u00e0 s\u1eed d\u1ee5ng d\u1eef li\u1ec7u n\u1ec1n. Tr\u00ean m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n, c\u00e1c tin nh\u1eafn \u0111\u01b0\u1ee3c x\u1ebfp h\u00e0ng ch\u1edd sao ch\u00e9p nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong 30 ng\u00e0y s\u1ebd b\u1ecb x\u00f3a.<\/p>\n\n\n\n

              \n

              C\u00e1ch kh\u1eafc ph\u1ee5c<\/h4>\n\n\n\n
                \n
              1. H\u00e3y b\u1eadt th\u00f4ng b\u00e1o cho Signal trong c\u00e0i \u0111\u1eb7t \u0111i\u1ec7n tho\u1ea1i v\u00e0 trong c\u00e0i \u0111\u1eb7t c\u1ee7a \u1ee9ng d\u1ee5ng Signal.<\/li>\n\n\n\n
              2. Lo\u1ea1i tr\u1eeb Signal kh\u1ecfi qu\u00e1 tr\u00ecnh t\u1ed1i \u01b0u h\u00f3a pin v\u00e0 t\u1eaft ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m pin.<\/li>\n\n\n\n
              3. Cho ph\u00e9p s\u1eed d\u1ee5ng d\u1eef li\u1ec7u n\u1ec1n cho Signal v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 c\u1ee7a Google Play tr\u00ean Android.<\/li>\n\n\n\n
              4. H\u00e3y ki\u1ec3m tra xem ch\u1ebf \u0111\u1ed9 “Kh\u00f4ng l\u00e0m phi\u1ec1n” ho\u1eb7c “T\u1eadp trung” c\u00f3 \u0111ang t\u1eaft ti\u1ebfng Signal hay kh\u00f4ng.<\/li>\n\n\n\n
              5. C\u1eadp nh\u1eadt Signal v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111i\u1ec7n tho\u1ea1i.<\/li>\n<\/ol>\n<\/div>\n\n\n\n

                Ch\u1ee9c n\u0103ng g\u1ecdi \u0111i\u1ec7n tho\u1ea1i Signal kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.<\/strong><\/h2>\n\n\n\n

                Cu\u1ed9c g\u1ecdi Signal ch\u1ec9 \u0111\u1ed5 chu\u00f4ng khi c\u1ea3 b\u1ea1n v\u00e0 ng\u01b0\u1eddi li\u00ean l\u1ea1c \u0111\u1ec1u tr\u1ef1c tuy\u1ebfn, v\u00ec v\u1eady n\u1ebfu tin nh\u1eafn gi\u1eefa hai ng\u01b0\u1eddi c\u0169ng kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, h\u00e3y kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 \u0111\u00f3 tr\u01b0\u1edbc. Cu\u1ed9c g\u1ecdi c\u0169ng c\u1ea7n nhi\u1ec1u quy\u1ec1n truy c\u1eadp m\u1ea1ng h\u01a1n so v\u1edbi tr\u00f2 chuy\u1ec7n, v\u1edbi c\u00e1c cu\u1ed9c g\u1ecdi nh\u00f3m s\u1eed d\u1ee5ng c\u1ed5ng UDP 10000, v\u00ec v\u1eady t\u01b0\u1eddng l\u1eeda nghi\u00eam ng\u1eb7t, \u1ee9ng d\u1ee5ng l\u1ecdc DNS v\u00e0 m\u1ed9t s\u1ed1 thi\u1ebft l\u1eadp VPN c\u00f3 th\u1ec3 cho ph\u00e9p tin nh\u1eafn \u0111\u01b0\u1ee3c g\u1eedi \u0111i nh\u01b0ng l\u1ea1i ch\u1eb7n cu\u1ed9c g\u1ecdi.<\/p>\n\n\n\n

                \n

                C\u00e1ch kh\u1eafc ph\u1ee5c<\/h4>\n\n\n\n
                  \n
                1. Ki\u1ec3m tra xem tin nh\u1eafn c\u00f3 \u0111\u01b0\u1ee3c g\u1eedi v\u00e0 nh\u1eadn gi\u1eefa b\u1ea1n v\u00e0 ng\u01b0\u1eddi li\u00ean h\u1ec7 hay kh\u00f4ng.<\/li>\n\n\n\n
                2. Cho ph\u00e9p Signal s\u1eed d\u1ee5ng micro v\u00e0 camera trong c\u00e0i \u0111\u1eb7t thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n.<\/li>\n\n\n\n
                3. Chuy\u1ec3n \u0111\u1ed5i gi\u1eefa Wi-Fi v\u00e0 d\u1eef li\u1ec7u di \u0111\u1ed9ng.<\/li>\n\n\n\n
                4. N\u1ebfu cu\u1ed9c g\u1ecdi \u0111\u1ed5 chu\u00f4ng nh\u01b0ng kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c, h\u00e3y t\u1eaft t\u00ednh n\u0103ng l\u1ecdc DNS, t\u01b0\u1eddng l\u1eeda ho\u1eb7c \u1ee9ng d\u1ee5ng VPN.<\/li>\n\n\n\n
                5. C\u1eadp nh\u1eadt Signal tr\u00ean c\u1ea3 hai thi\u1ebft b\u1ecb.<\/li>\n<\/ol>\n<\/div>\n\n\n\n

                  \u1ee8ng d\u1ee5ng Signal Desktop kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng.<\/strong><\/h2>\n\n\n\n

                  \u1ee8ng d\u1ee5ng Signal Desktop v\u00e0 \u1ee9ng d\u1ee5ng d\u00e0nh cho iPad l\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c li\u00ean k\u1ebft ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n, v\u00e0 m\u1ed9t \u0111i\u1ec7n tho\u1ea1i c\u00f3 th\u1ec3 c\u00f3 t\u1ed1i \u0111a 5 thi\u1ebft b\u1ecb nh\u01b0 v\u1eady. Vi\u1ec7c li\u00ean k\u1ebft th\u01b0\u1eddng g\u1eb7p l\u1ed7i tr\u00ean m\u1ea1ng doanh nghi\u1ec7p ho\u1eb7c khi b\u1ecb ch\u1eb7n b\u1edfi VPN, proxy ho\u1eb7c ph\u1ea7n m\u1ec1m ch\u1ed1ng virus.<\/p>\n\n\n\n

                  N\u1ebfu \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n \u0111\u00e3 l\u00e2u kh\u00f4ng k\u1ebft n\u1ed1i v\u1edbi Signal, \u1ee9ng d\u1ee5ng Signal tr\u00ean m\u00e1y t\u00ednh s\u1ebd c\u1ea3nh b\u00e1o b\u1ea1n k\u1ebft n\u1ed1i l\u1ea1i. Signal s\u1ebd x\u00f3a t\u00e0i kho\u1ea3n sau 120 ng\u00e0y kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, v\u00ec v\u1eady h\u00e3y th\u01b0\u1eddng xuy\u00ean m\u1edf Signal tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n

                  \n

                  C\u00e1ch kh\u1eafc ph\u1ee5c<\/h4>\n\n\n\n
                    \n
                  1. C\u1eadp nh\u1eadt Signal tr\u00ean c\u1ea3 \u0111i\u1ec7n tho\u1ea1i v\u00e0 m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n.<\/li>\n\n\n\n
                  2. M\u1edf \u1ee9ng d\u1ee5ng Signal tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n v\u00e0 \u0111\u1ec3 n\u00f3 ch\u1ea1y trong v\u00e0i ph\u00fat.<\/li>\n\n\n\n
                  3. N\u1ebfu m\u00e3 QR kh\u00f4ng t\u1ea3i \u0111\u01b0\u1ee3c, h\u00e3y k\u1ebft n\u1ed1i l\u1ea1i v\u1edbi Wi-Fi v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i Signal Desktop.<\/li>\n\n\n\n
                  4. N\u1ebfu k\u1ebft n\u1ed1i th\u1ea5t b\u1ea1i, h\u00e3y ki\u1ec3m tra c\u00e0i \u0111\u1eb7t VPN, t\u01b0\u1eddng l\u1eeda ho\u1eb7c proxy.<\/li>\n\n\n\n
                  5. H\u00e3y h\u1ee7y li\u00ean k\u1ebft c\u00e1c thi\u1ebft b\u1ecb b\u1ea1n kh\u00f4ng c\u00f2n s\u1eed d\u1ee5ng \u0111\u1ec3 duy tr\u00ec s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb d\u01b0\u1edbi 5.<\/li>\n<\/ol>\n<\/div>\n\n\n\n

                    T\u00edn hi\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c chuy\u1ec3n sang \u0111i\u1ec7n tho\u1ea1i m\u1edbi<\/strong><\/h2>\n\n\n\n

                    T\u00ednh n\u0103ng Chuy\u1ec3n Tr\u1ef1c Ti\u1ebfp (Direct Transfer) chuy\u1ec3n c\u00e1c cu\u1ed9c tr\u00f2 chuy\u1ec7n c\u1ee7a b\u1ea1n sang \u0111i\u1ec7n tho\u1ea1i m\u1edbi, nh\u01b0ng ch\u1ec9 khi c\u1ea3 hai \u0111i\u1ec7n tho\u1ea1i \u0111\u1ec1u \u0111ang s\u1eed d\u1ee5ng phi\u00ean b\u1ea3n Signal m\u1edbi nh\u1ea5t v\u00e0 c\u00f9ng n\u1ec1n t\u1ea3ng: Android sang Android ho\u1eb7c iPhone sang iPhone. Qu\u00e1 tr\u00ecnh n\u00e0y ch\u1ec9 b\u1eaft \u0111\u1ea7u trong giai \u0111o\u1ea1n thi\u1ebft l\u1eadp v\u00e0 vi\u1ec7c chuy\u1ec3n d\u1eef li\u1ec7u b\u1ecb gi\u00e1n \u0111o\u1ea1n c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c cu\u1ed9c tr\u00f2 chuy\u1ec7n kh\u00f4ng th\u1ec3 kh\u00f4i ph\u1ee5c \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

                    \n

                    C\u00e1ch kh\u1eafc ph\u1ee5c<\/h4>\n\n\n\n
                      \n
                    1. C\u1eadp nh\u1eadt \u1ee9ng d\u1ee5ng Signal tr\u00ean c\u1ea3 hai \u0111i\u1ec7n tho\u1ea1i tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u.<\/li>\n\n\n\n
                    2. H\u00e3y \u0111\u1ec3 c\u1ea3 hai \u0111i\u1ec7n tho\u1ea1i \u1edf g\u1ea7n nhau, lu\u00f4n b\u1eadt, kh\u00f4ng kh\u00f3a v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1ea1c \u0111\u1ea7y pin.<\/li>\n\n\n\n
                    3. T\u1eaft VPN v\u00e0 tr\u00e1nh s\u1eed d\u1ee5ng Wi-Fi y\u1ebfu trong qu\u00e1 tr\u00ecnh truy\u1ec1n d\u1eef li\u1ec7u.<\/li>\n\n\n\n
                    4. N\u1ebfu qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp \u0111\u00e3 ho\u00e0n t\u1ea5t tr\u00ean \u0111i\u1ec7n tho\u1ea1i m\u1edbi, h\u00e3y c\u00e0i \u0111\u1eb7t l\u1ea1i Signal \u0111\u1ec3 kh\u00f4i ph\u1ee5c t\u00f9y ch\u1ecdn chuy\u1ec3n d\u1eef li\u1ec7u.<\/li>\n\n\n\n
                    5. H\u00e3y b\u1eadt t\u00ednh n\u0103ng Sao l\u01b0u an to\u00e0n nh\u01b0 m\u1ed9t bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 b\u1ed5 sung.<\/li>\n<\/ol>\n<\/div>\n\n\n\n

                      C\u00e1c l\u1ed7i t\u00edn hi\u1ec7u th\u01b0\u1eddng g\u1eb7p<\/strong><\/h2>\n\n\n\n
                      \"\"\/<\/figure>\n\n\n\n

                      Th\u00f4ng b\u00e1o l\u1ed7i c\u1ee7a Signal th\u01b0\u1eddng cho b\u1ea1n bi\u1ebft v\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf m\u1ea1ng, qu\u00e1 tr\u00ecnh \u0111\u0103ng k\u00fd hay thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u1ed7i b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c t\u1eebng l\u1ed7i.<\/p>\n\n\n\n

                      L\u1ed7i<\/th>\u00dd ngh\u0129a c\u1ee7a n\u00f3 l\u00e0 g\u00ec<\/th>N\u00ean l\u00e0m g\u00ec<\/th><\/tr><\/thead>
                      Qu\u00e1 nhi\u1ec1u l\u1ea7n th\u1eed<\/td>Signal \u0111\u00e3 t\u1ea1m d\u1eebng qu\u00e1 tr\u00ecnh \u0111\u0103ng k\u00fd sau nhi\u1ec1u l\u1ea7n th\u1eed.<\/td>H\u00e3y \u0111\u1ee3i m\u1ed9t gi\u1edd, m\u1ed9t ng\u00e0y, ho\u1eb7c l\u00e2u h\u01a1n n\u1eefa tr\u01b0\u1edbc khi th\u1eed l\u1ea1i.<\/td><\/tr>
                      Kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi d\u1ecbch v\u1ee5<\/td>Signal kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00e1y ch\u1ee7 c\u1ee7a m\u00ecnh trong qu\u00e1 tr\u00ecnh \u0111\u0103ng k\u00fd ho\u1eb7c \u0111\u0103ng nh\u1eadp.<\/td>C\u1eadp nh\u1eadt Signal, chuy\u1ec3n \u0111\u1ed5i m\u1ea1ng v\u00e0 t\u1ea1m d\u1eebng b\u1ea5t k\u1ef3 VPN ho\u1eb7c t\u01b0\u1eddng l\u1eeda n\u00e0o.<\/td><\/tr>
                      L\u1ed7i 0 (iPhone)<\/td>Qu\u00e1 tr\u00ecnh \u0111\u0103ng k\u00fd kh\u00f4ng th\u1ec3 ho\u00e0n t\u1ea5t.<\/td>C\u1eadp nh\u1eadt Signal, t\u1eaft VPN ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng theo d\u00f5i d\u1eef li\u1ec7u, v\u00e0 ki\u1ec3m tra m\u1ee5c “Ng\u01b0\u1eddi g\u1eedi kh\u00f4ng x\u00e1c \u0111\u1ecbnh” trong \u1ee9ng d\u1ee5ng Tin nh\u1eafn.<\/td><\/tr>
                      Kh\u00f4ng th\u1ec3 g\u1eedi tin nh\u1eafn t\u1eeb [li\u00ean h\u1ec7] \/ Phi\u00ean tr\u00f2 chuy\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m m\u1edbi.<\/td>Kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c tin nh\u1eafn, ph\u1ea3n h\u1ed3i ho\u1eb7c ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng n\u00e0o; b\u1ea3o m\u1eadt cu\u1ed9c tr\u00f2 chuy\u1ec7n kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/td>H\u00e3y y\u00eau c\u1ea7u ng\u01b0\u1eddi li\u00ean h\u1ec7 g\u1eedi l\u1ea1i. N\u1ebfu v\u1eabn b\u1ecb l\u1ed7i, h\u00e3y h\u1ee7y li\u00ean k\u1ebft v\u00e0 li\u00ean k\u1ebft l\u1ea1i m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n v\u00e0 iPad.<\/td><\/tr>
                      Signal kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb n\u00e0y v\u1edbi m\u1ea1ng hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n.<\/td>M\u1ea1ng \u0111ang ch\u1eb7n qu\u00e1 tr\u00ecnh k\u1ebft n\u1ed1i.<\/td>H\u00e3y r\u1eddi kh\u1ecfi m\u1ea1ng n\u1ed9i b\u1ed9 c\u00f4ng ty ho\u1eb7c ki\u1ec3m tra c\u00e0i \u0111\u1eb7t VPN, t\u01b0\u1eddng l\u1eeda v\u00e0 proxy.<\/td><\/tr>
                      Thi\u1ebft b\u1ecb kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd<\/td>S\u1ed1 \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n hi\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t tr\u00ean thi\u1ebft b\u1ecb kh\u00e1c.<\/td>Ch\u1ea1m v\u00e0o bi\u1ec3u ng\u1eef v\u00e0 \u0111\u0103ng k\u00fd l\u1ea1i Signal tr\u00ean \u0111i\u1ec7n tho\u1ea1i n\u00e0y.<\/td><\/tr>
                      K\u1ebft n\u1ed1i l\u1ea1i thi\u1ebft b\u1ecb ch\u00ednh c\u1ee7a b\u1ea1n<\/td>\u0110i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n \u0111\u00e3 kh\u00f4ng k\u1ebft n\u1ed1i v\u1edbi Signal trong m\u1ed9t th\u1eddi gian r\u1ea5t d\u00e0i.<\/td>M\u1edf \u1ee9ng d\u1ee5ng Signal phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n v\u00e0 \u0111\u1ec3 n\u00f3 ch\u1ea1y trong v\u00e0i ph\u00fat.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

                      T\u1ea1i sao t\u00f4i kh\u00f4ng th\u1ec3 truy c\u1eadp Signal?<\/strong><\/h2>\n\n\n\n

                      \u0110\u00f4i khi t\u00edn hi\u1ec7u Signal ho\u1ea1t \u0111\u1ed9ng t\u1ed1t m\u00e0 v\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf m\u1ea1ng xung quanh b\u1ea1n. M\u1ea1ng Wi-Fi t\u1ea1i v\u0103n ph\u00f2ng, tr\u01b0\u1eddng h\u1ecdc v\u00e0 c\u00e1c \u0111\u1ecba \u0111i\u1ec3m c\u00f4ng c\u1ed9ng c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf c\u00e1c c\u1ed5ng m\u00e0 Signal s\u1eed d\u1ee5ng, v\u00e0 m\u1ed9t s\u1ed1 qu\u1ed1c gia ch\u1eb7n ho\u00e0n to\u00e0n Signal tr\u00ean to\u00e0n qu\u1ed1c: Nga \u0111\u00e3 h\u1ea1n ch\u1ebf Signal v\u00e0o th\u00e1ng 8 n\u0103m 2024, v\u00e0 c\u00e1c th\u1eed nghi\u1ec7m m\u1ea1ng c\u1ee7a OONI \u0111\u00e3 ghi nh\u1eadn vi\u1ec7c ch\u1eb7n Signal \u1edf Iran, Trung Qu\u1ed1c v\u00e0 Uzbekistan.<\/p>\n\n\n\n

                      Signal c\u00f3 hai t\u00f9y ch\u1ecdn t\u00edch h\u1ee3p s\u1eb5n cho vi\u1ec7c n\u00e0y: c\u00e0i \u0111\u1eb7t v\u01b0\u1ee3t qua ki\u1ec3m duy\u1ec7t v\u00e0 proxy Signal, v\u00e0 tin nh\u1eafn c\u1ee7a b\u1ea1n v\u1eabn \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a \u0111\u1ea7u cu\u1ed1i v\u1edbi c\u1ea3 hai t\u00f9y ch\u1ecdn. S\u1eed d\u1ee5ng VPN c\u0169ng l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p kh\u1ea3 thi kh\u00e1c, nh\u01b0ng h\u00e3y ki\u1ec3m tra lu\u1eadt ph\u00e1p \u0111\u1ecba ph\u01b0\u01a1ng tr\u01b0\u1edbc.<\/p>\n\n\n\n

                      \n

                      C\u00e1ch kh\u1eafc ph\u1ee5c<\/h4>\n\n\n\n
                        \n
                      1. Ki\u1ec3m tra t\u00edn hi\u1ec7u tr\u00ean d\u1eef li\u1ec7u di \u0111\u1ed9ng. N\u1ebfu t\u00edn hi\u1ec7u ho\u1ea1t \u0111\u1ed9ng, ngh\u0129a l\u00e0 Wi-Fi c\u1ee7a b\u1ea1n \u0111ang h\u1ea1n ch\u1ebf t\u00edn hi\u1ec7u.<\/li>\n\n\n\n
                      2. H\u00e3y b\u1eadt t\u00ednh n\u0103ng v\u01b0\u1ee3t qua ki\u1ec3m duy\u1ec7t trong c\u00e0i \u0111\u1eb7t quy\u1ec1n ri\u00eang t\u01b0 n\u00e2ng cao c\u1ee7a Signal.<\/li>\n\n\n\n
                      3. Th\u00eam proxy Signal trong C\u00e0i \u0111\u1eb7t > D\u1eef li\u1ec7u v\u00e0 b\u1ed9 nh\u1edb > S\u1eed d\u1ee5ng proxy tr\u00ean Android, ho\u1eb7c C\u00e0i \u0111\u1eb7t > Quy\u1ec1n ri\u00eang t\u01b0 > N\u00e2ng cao > Proxy tr\u00ean iPhone.<\/li>\n\n\n\n
                      4. K\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 VPN t\u1ea1i qu\u1ed1c gia n\u01a1i Signal ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/li>\n<\/ol>\n<\/div>\n\n\n\n

                        Khi n\u00e0o VPN c\u00f3 th\u1ec3 gi\u00fap c\u1ea3i thi\u1ec7n t\u00edn hi\u1ec7u?<\/strong><\/h2>\n\n\n\n

                        VPN h\u1eefu \u00edch khi c\u00f3 th\u1ee9 g\u00ec \u0111\u00f3 c\u1ea3n tr\u1edf k\u1ebft n\u1ed1i gi\u1eefa b\u1ea1n v\u00e0 Signal. N\u00f3 c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n truy c\u1eadp Signal tr\u00ean m\u1ea1ng Wi-Fi c\u00f4ng c\u1ed9ng, tr\u01b0\u1eddng h\u1ecdc, n\u01a1i l\u00e0m vi\u1ec7c, kh\u00e1ch s\u1ea1n ho\u1eb7c c\u00e1c m\u1ea1ng kh\u00e1c, h\u1ed7 tr\u1ee3 khi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet (ISP) ho\u1eb7c qu\u1ed1c gia c\u1ee7a b\u1ea1n h\u1ea1n ch\u1ebf s\u1eed d\u1ee5ng, v\u00e0 \u0111\u1ecbnh tuy\u1ebfn v\u01b0\u1ee3t qua b\u1ed9 l\u1ecdc DNS ho\u1eb7c \u0111\u1ecbnh tuy\u1ebfn k\u00e9m hi\u1ec7u qu\u1ea3. N\u00f3 c\u0169ng b\u1ea3o v\u1ec7 ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp c\u1ee7a b\u1ea1n tr\u00ean m\u1ea1ng Wi-Fi c\u00f4ng c\u1ed9ng, m\u1eb7c d\u00f9 tin nh\u1eafn c\u1ee7a Signal \u0111\u00e3 \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a \u0111\u1ea7u cu\u1ed1i.<\/p>\n\n\n\n

                        VPN kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 m\u1ea5t t\u00edn hi\u1ec7u, m\u00e3 x\u00e1c minh m\u00e0 nh\u00e0 m\u1ea1ng kh\u00f4ng cung c\u1ea5p, m\u00e3 PIN kh\u00f3a \u0111\u0103ng k\u00fd b\u1ecb qu\u00ean, phi\u00ean b\u1ea3n \u1ee9ng d\u1ee5ng \u0111\u00e3 h\u1ebft h\u1ea1n ho\u1eb7c c\u00e0i \u0111\u1eb7t pin tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n. N\u1ebfu b\u1ea1n mu\u1ed1n th\u1eed, Planet VPN c\u00f3 m\u00e1y ch\u1ee7 \u1edf h\u01a1n 60 \u0111\u1ecba \u0111i\u1ec3m. Xem trang VPN d\u00e0nh cho Signal <\/a>\u0111\u1ec3 bi\u1ebft chi ti\u1ebft thi\u1ebft l\u1eadp.<\/p>\n\n\n\n

                        T\u00edn hi\u1ec7u kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng v\u1edbi VPN<\/strong><\/h2>\n\n\n\n

                        Signal kh\u00f4ng ch\u1ed1ng l\u1ea1i VPN nh\u01b0 c\u00e1c d\u1ecbch v\u1ee5 ph\u00e1t tr\u1ef1c tuy\u1ebfn, nh\u01b0ng h\u01b0\u1edbng d\u1eabn c\u1ee7a ch\u00ednh h\u1ecd li\u1ec7t k\u00ea VPN l\u00e0 m\u1ed9t trong nh\u1eefng th\u1ee9 c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c \u0111\u0103ng k\u00fd, g\u1eedi, li\u00ean k\u1ebft v\u00e0 Chuy\u1ec3n kho\u1ea3n Tr\u1ef1c ti\u1ebfp. Nguy\u00ean nh\u00e2n th\u01b0\u1eddng l\u00e0 do VPN ho\u1eb7c t\u01b0\u1eddng l\u1eeda kh\u00f4ng cho ph\u00e9p l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp *.signal.org tr\u00ean c\u1ed5ng TCP 443 ho\u1eb7c c\u00e1c c\u1ed5ng UDP c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n

                        \n

                        C\u00e1ch kh\u1eafc ph\u1ee5c<\/h4>\n\n\n\n
                          \n
                        1. H\u00e3y chuy\u1ec3n sang m\u00e1y ch\u1ee7 VPN kh\u00e1c v\u00e0 k\u1ebft n\u1ed1i l\u1ea1i.<\/li>\n\n\n\n
                        2. H\u00e3y thay \u0111\u1ed5i giao th\u1ee9c VPN, v\u00ed d\u1ee5 nh\u01b0 sang WireGuard.<\/li>\n\n\n\n
                        3. S\u1eed d\u1ee5ng Split Tunneling \u0111\u1ec3 gi\u1eef Signal \u1edf b\u00ean ngo\u00e0i VPN khi b\u1ea1n kh\u00f4ng c\u1ea7n n\u00f3 \u1edf \u0111\u00f3.<\/li>\n\n\n\n
                        4. T\u1eaft VPN trong qu\u00e1 tr\u00ecnh \u0111\u0103ng k\u00fd ho\u1eb7c chuy\u1ec3n kho\u1ea3n tr\u1ef1c ti\u1ebfp, sau \u0111\u00f3 b\u1eadt l\u1ea1i.<\/li>\n\n\n\n
                        5. H\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u01b0\u1eddng l\u1eeda cho ph\u00e9p truy c\u1eadp t\u1eeb *.signal.org tr\u00ean c\u1ed5ng TCP 443 v\u00e0 UDP.<\/li>\n<\/ol>\n<\/div>\n\n\n\n

                          T\u1ea1i sao \u1ee9ng d\u1ee5ng Signal kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng tr\u00ean \u0111i\u1ec7n tho\u1ea1i c\u1ee7a t\u00f4i?<\/strong><\/h2>\n\n\n\n
                          \"\"\/<\/figure>\n\n\n\n

                          \u0110i\u1ec7n tho\u1ea1i l\u1ea1i t\u1ea1o th\u00eam m\u1ed9t l\u1edbp r\u1eafc r\u1ed1i ri\u00eang, b\u1edfi v\u00ec h\u1ec7 th\u1ed1ng di \u0111\u1ed9ng gi\u1edbi h\u1ea1n nh\u1eefng g\u00ec \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 l\u00e0m trong n\u1ec1n \u0111\u1ec3 ti\u1ebft ki\u1ec7m pin. iPhone v\u00e0 Android x\u1eed l\u00fd v\u1ea5n \u0111\u1ec1 n\u00e0y theo nh\u1eefng c\u00e1ch kh\u00e1c nhau.<\/p>\n\n\n\n

                          T\u00edn hi\u1ec7u kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng tr\u00ean iPhone<\/strong><\/h3>\n\n\n\n

                          iOS kh\u00f4ng c\u00f3 b\u1ed9 nh\u1edb \u0111\u1ec7m \u0111\u1ec3 x\u00f3a, v\u00e0 vi\u1ec7c x\u00f3a Signal m\u00e0 kh\u00f4ng chuy\u1ec3n d\u1eef li\u1ec7u ho\u1eb7c sao l\u01b0u s\u1ebd x\u00f3a to\u00e0n b\u1ed9 cu\u1ed9c tr\u00f2 chuy\u1ec7n c\u1ee7a b\u1ea1n, v\u00ec v\u1eady h\u00e3y \u0111\u1ec3 vi\u1ec7c c\u00e0i \u0111\u1eb7t l\u1ea1i \u1ee9ng d\u1ee5ng l\u00e0 b\u01b0\u1edbc cu\u1ed1i c\u00f9ng. H\u1ea7u h\u1ebft c\u00e1c s\u1ef1 c\u1ed1 tr\u00ean iPhone \u0111\u1ec1u li\u00ean quan \u0111\u1ebfn th\u00f4ng b\u00e1o, Ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m pin v\u00e0 quy\u1ec1n truy c\u1eadp.<\/p>\n\n\n\n

                          \n

                          C\u00e1ch kh\u1eafc ph\u1ee5c tr\u00ean iPhone<\/h4>\n\n\n\n
                            \n
                          1. C\u1eadp nh\u1eadt iOS v\u00e0 Signal. Signal c\u1ea7n iOS 15 tr\u1edf l\u00ean.<\/li>\n\n\n\n
                          2. Cho ph\u00e9p th\u00f4ng b\u00e1o, \u00e2m thanh v\u00e0 c\u1ea3nh b\u00e1o tr\u00ean m\u00e0n h\u00ecnh kh\u00f3a trong C\u00e0i \u0111\u1eb7t > Signal > Th\u00f4ng b\u00e1o.<\/li>\n\n\n\n
                          3. H\u00e3y \u0111\u0103ng k\u00fd l\u1ea1i nh\u1eadn th\u00f4ng b\u00e1o \u0111\u1ea9y trong ph\u1ea7n c\u00e0i \u0111\u1eb7t c\u1ee7a Signal.<\/li>\n\n\n\n
                          4. T\u1eaft Ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m pin v\u00e0 ki\u1ec3m tra Ch\u1ebf \u0111\u1ed9 im l\u1eb7ng v\u00e0 Ch\u1ebf \u0111\u1ed9 l\u1ea5y n\u00e9t.<\/li>\n\n\n\n
                          5. Ki\u1ec3m tra gi\u1edbi h\u1ea1n th\u1eddi gian s\u1eed d\u1ee5ng m\u00e0n h\u00ecnh v\u00e0 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u di \u0111\u1ed9ng \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1eadt cho \u1ee9ng d\u1ee5ng Signal.<\/li>\n<\/ol>\n<\/div>\n\n\n\n

                            \u1ee8ng d\u1ee5ng Signal kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng tr\u00ean Android.<\/strong><\/h3>\n\n\n\n

                            Android cho ph\u00e9p b\u1ea1n ki\u1ec3m so\u00e1t nhi\u1ec1u h\u01a1n, nh\u01b0ng c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n tho\u1ea1i nh\u01b0 Samsung, Xiaomi, Huawei v\u00e0 OnePlus l\u1ea1i b\u1ed5 sung th\u00eam tr\u00ecnh qu\u1ea3n l\u00fd pin ri\u00eang c\u1ee7a h\u1ecd, cho ph\u00e9p d\u1eebng c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ea1y ng\u1ea7m. H\u00e3y ki\u1ec3m tra c\u1ea3 nh\u1eefng c\u00e0i \u0111\u1eb7t n\u00e0y c\u00f9ng v\u1edbi c\u00e0i \u0111\u1eb7t m\u1eb7c \u0111\u1ecbnh.<\/p>\n\n\n\n

                            \n

                            C\u00e1ch kh\u1eafc ph\u1ee5c tr\u00ean Android<\/h4>\n\n\n\n
                              \n
                            1. C\u1eadp nh\u1eadt Signal, d\u1ecbch v\u1ee5 Google Play v\u00e0 Android System WebView.<\/li>\n\n\n\n
                            2. \u0110\u1eb7t ch\u1ebf \u0111\u1ed9 s\u1eed d\u1ee5ng pin c\u1ee7a Signal th\u00e0nh kh\u00f4ng gi\u1edbi h\u1ea1n ho\u1eb7c Kh\u00f4ng t\u1ed1i \u01b0u h\u00f3a.<\/li>\n\n\n\n
                            3. Cho ph\u00e9p s\u1eed d\u1ee5ng d\u1eef li\u1ec7u n\u1ec1n cho c\u00e1c d\u1ecbch v\u1ee5 Signal v\u00e0 Google Play.<\/li>\n\n\n\n
                            4. N\u1ebfu \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n c\u00f3 c\u00e0i \u0111\u1eb7t \u0111\u00f3, h\u00e3y b\u1eadt t\u00ednh n\u0103ng t\u1ef1 kh\u1edfi \u0111\u1ed9ng c\u1ee7a Signal.<\/li>\n\n\n\n
                            5. K\u00edch ho\u1ea1t l\u1ea1i t\u1ea5t c\u1ea3 c\u00e1c quy\u1ec1n c\u1ee7a Signal v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111i\u1ec7n tho\u1ea1i.<\/li>\n<\/ol>\n<\/div>\n\n\n\n

                              C\u00e1ch ph\u00f2ng tr\u00e1nh c\u00e1c s\u1ef1 c\u1ed1 t\u00edn hi\u1ec7u trong t\u01b0\u01a1ng lai<\/strong><\/h2>\n\n\n\n

                              H\u00e3y b\u1eadt t\u00ednh n\u0103ng c\u1eadp nh\u1eadt t\u1ef1 \u0111\u1ed9ng, v\u00ec c\u00e1c phi\u00ean b\u1ea3n Signal s\u1ebd h\u1ebft h\u1ea1n sau 90 ng\u00e0y. Th\u01b0\u1eddng xuy\u00ean m\u1edf Signal tr\u00ean \u0111i\u1ec7n tho\u1ea1i ch\u00ednh c\u1ee7a b\u1ea1n \u0111\u1ec3 t\u00e0i kho\u1ea3n v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c li\u00ean k\u1ebft lu\u00f4n ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n

                              H\u00e3y ghi l\u1ea1i m\u00e3 PIN Signal c\u1ee7a b\u1ea1n n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng Kh\u00f3a \u0111\u0103ng k\u00fd v\u00e0 b\u1eadt Sao l\u01b0u an to\u00e0n tr\u01b0\u1edbc khi \u0111\u1ed5i \u0111i\u1ec7n tho\u1ea1i. N\u1ebfu b\u1ea1n \u0111i \u0111\u1ebfn n\u01a1i Signal b\u1ecb h\u1ea1n ch\u1ebf, h\u00e3y thi\u1ebft l\u1eadp proxy ho\u1eb7c VPN tr\u01b0\u1edbc khi \u0111i.<\/p>\n\n\n\n

                              Ph\u1ea7n k\u1ebft lu\u1eadn<\/strong><\/h2>\n\n\n\n

                              Khi Signal kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, h\u00e3y ki\u1ec3m tra theo th\u1ee9 t\u1ef1 sau: xem tr\u1ea1ng th\u00e1i t\u1ea1i status.signal.org v\u00e0 b\u00e1o c\u00e1o s\u1ef1 c\u1ed1, ki\u1ec3m tra k\u1ebft n\u1ed1i, c\u1eadp nh\u1eadt \u1ee9ng d\u1ee5ng, sau \u0111\u00f3 xem x\u00e9t quy\u1ec1n truy c\u1eadp v\u00e0 c\u00e0i \u0111\u1eb7t pin. S\u1ef1 c\u1ed1 \u0111\u0103ng k\u00fd th\u01b0\u1eddng b\u1eaft ngu\u1ed3n t\u1eeb nh\u00e0 m\u1ea1ng ho\u1eb7c do s\u1ed1 l\u1ea7n \u0111\u0103ng nh\u1eadp qu\u00e1 nhi\u1ec1u, c\u00f2n s\u1ef1 c\u1ed1 tr\u00ean Signal Desktop th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn \u0111i\u1ec7n tho\u1ea1i \u0111\u01b0\u1ee3c li\u00ean k\u1ebft.<\/p>\n\n\n\n

                              N\u1ebfu Signal ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ecdi n\u01a1i ngo\u1ea1i tr\u1eeb m\u1ea1ng ho\u1eb7c qu\u1ed1c gia hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n \u0111ang g\u1eb7p ph\u1ea3i s\u1ef1 ch\u1eb7n truy c\u1eadp. Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3, VPN nh\u01b0 Planet VPN, proxy Signal ho\u1eb7c c\u00e0i \u0111\u1eb7t v\u01b0\u1ee3t qua ki\u1ec3m duy\u1ec7t c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n k\u1ebft n\u1ed1i l\u1ea1i.<\/p>\n\n <\/div>\n<\/section>\n\n

                              \n
                              \n \n\n

                              C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n\n\n
                              \n
                              \n
                                \n \n\n
                              • \n
                                \n \n\n

                                1. T\u1ea1i sao Signal kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng h\u00f4m nay?<\/strong><\/h3>\n\n\n\n
                                \n

                                Tr\u01b0\u1edbc ti\u00ean, h\u00e3y ki\u1ec3m tra status.signal.org v\u00e0 tr\u00ecnh theo d\u00f5i s\u1ef1 c\u1ed1. N\u1ebfu nhi\u1ec1u ng\u01b0\u1eddi b\u00e1o c\u00e1o g\u1eb7p s\u1ef1 c\u1ed1, h\u00e3y \u0111\u1ee3i Signal kh\u1eafc ph\u1ee5c. N\u1ebfu ch\u1ec9 b\u1ea1n b\u1ecb \u1ea3nh h\u01b0\u1edfng, h\u00e3y chuy\u1ec3n sang m\u1ea1ng kh\u00e1c, c\u1eadp nh\u1eadt Signal v\u00e0 t\u1ea1m d\u1eebng b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng VPN ho\u1eb7c t\u01b0\u1eddng l\u1eeda n\u00e0o.<\/p>\n<\/div>\n\n <\/div>\n<\/li> \n\n\n

                              • \n
                                \n \n\n

                                2. T\u1ea1i sao t\u00f4i kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c m\u00e3 x\u00e1c nh\u1eadn Signal?<\/strong><\/h3>\n\n\n\n
                                \n

                                Ki\u1ec3m tra \u0111\u1ecbnh d\u1ea1ng s\u1ed1, cho ph\u00e9p nh\u1eadn tin nh\u1eafn SMS t\u1eeb ng\u01b0\u1eddi g\u1eedi kh\u00f4ng x\u00e1c \u0111\u1ecbnh v\u00e0 th\u1eed t\u00f9y ch\u1ecdn g\u1ecdi tho\u1ea1i. B\u1ed9 l\u1ecdc th\u01b0 r\u00e1c c\u1ee7a nh\u00e0 m\u1ea1ng c\u00f3 th\u1ec3 ch\u1eb7n m\u00e3, v\u00e0 sau qu\u00e1 nhi\u1ec1u l\u1ea7n th\u1eed, Signal s\u1ebd b\u1eaft b\u1ea1n ch\u1edd.<\/p>\n<\/div>\n\n <\/div>\n<\/li> \n\n\n

                              • \n
                                \n \n\n

                                3. T\u1ea1i sao tin nh\u1eafn Signal ch\u1ec9 \u0111\u1ebfn khi t\u00f4i m\u1edf \u1ee9ng d\u1ee5ng?<\/strong><\/h3>\n\n\n\n
                                \n

                                Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a pin ho\u1eb7c h\u1ea1n ch\u1ebf d\u1eef li\u1ec7u n\u1ec1n tr\u00ean \u0111i\u1ec7n tho\u1ea1i nh\u1eadn cu\u1ed9c g\u1ecdi th\u01b0\u1eddng l\u00e0 nguy\u00ean nh\u00e2n. H\u00e3y lo\u1ea1i tr\u1eeb Signal kh\u1ecfi t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a pin v\u00e0 cho ph\u00e9p d\u1eef li\u1ec7u n\u1ec1n, bao g\u1ed3m c\u1ea3 c\u00e1c d\u1ecbch v\u1ee5 Google Play tr\u00ean Android.<\/p>\n<\/div>\n\n <\/div>\n<\/li> \n\n\n

                              • \n
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                                4. T\u1ea1i sao tin nh\u1eafn Signal c\u1ee7a t\u00f4i l\u1ea1i b\u1ecb k\u1eb9t \u1edf m\u1ed9t d\u1ea5u t\u00edch duy nh\u1ea5t?<\/strong><\/h3>\n\n\n\n
                                \n

                                M\u1ed9t l\u1ea7n ki\u1ec3m tra ngh\u0129a l\u00e0 Signal \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c tin nh\u1eafn c\u1ee7a b\u1ea1n nh\u01b0ng \u0111i\u1ec7n tho\u1ea1i c\u1ee7a ng\u01b0\u1eddi li\u00ean h\u1ec7 ch\u01b0a nh\u1eadn \u0111\u01b0\u1ee3c. H\u1ecd c\u00f3 th\u1ec3 \u0111ang ngo\u1ea1i tuy\u1ebfn ho\u1eb7c \u0111\u00e3 gi\u1edbi h\u1ea1n ch\u1ee9c n\u0103ng Signal do c\u00e0i \u0111\u1eb7t pin. Qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd chuy\u1ec3n th\u00e0nh hai l\u1ea7n ki\u1ec3m tra khi tin nh\u1eafn \u0111\u1ebfn.<\/p>\n<\/div>\n\n <\/div>\n<\/li> \n\n\n

                              • \n
                                \n \n\n

                                5. T\u1ea1i sao Signal kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng tr\u00ean Wi-Fi?<\/strong><\/h3>\n\n\n\n
                                \n

                                M\u1ed9t s\u1ed1 m\u1ea1ng Wi-Fi, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf n\u01a1i l\u00e0m vi\u1ec7c ho\u1eb7c tr\u01b0\u1eddng h\u1ecdc, h\u1ea1n ch\u1ebf c\u00e1c c\u1ed5ng m\u00e0 Signal s\u1eed d\u1ee5ng. N\u1ebfu Signal ho\u1ea1t \u0111\u1ed9ng tr\u00ean d\u1eef li\u1ec7u di \u0111\u1ed9ng, h\u00e3y y\u00eau c\u1ea7u qu\u1ea3n tr\u1ecb vi\u00ean cho ph\u00e9p truy c\u1eadp *.signal.org ho\u1eb7c k\u1ebft n\u1ed1i th\u00f4ng qua VPN.<\/p>\n<\/div>\n\n <\/div>\n<\/li> \n\n\n

                              • \n
                                \n \n\n

                                6. T\u1ea1i sao Signal Desktop ng\u1eebng ho\u1ea1t \u0111\u1ed9ng?<\/strong><\/h3>\n\n\n\n
                                \n

                                \u1ee8ng d\u1ee5ng Desktop ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n. M\u1edf Signal tr\u00ean \u0111i\u1ec7n tho\u1ea1i, c\u1eadp nh\u1eadt c\u1ea3 hai \u1ee9ng d\u1ee5ng v\u00e0 li\u00ean k\u1ebft l\u1ea1i Desktop b\u1eb1ng m\u00e3 QR m\u1edbi n\u1ebfu v\u1eabn kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c.<\/p>\n<\/div>\n\n <\/div>\n<\/li> \n\n\n

                              • \n
                                \n \n\n

                                7. VPN c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u1edbi Signal kh\u00f4ng?<\/strong><\/h3>\n\n\n\n
                                \n

                                VPN h\u1eefu \u00edch khi m\u1ea1ng, nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet (ISP) ho\u1eb7c qu\u1ed1c gia n\u00e0o \u0111\u00f3 ch\u1eb7n Signal. Tuy nhi\u00ean, n\u00f3 kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 m\u1ea5t k\u1ebft n\u1ed1i, v\u1ea5n \u0111\u1ec1 m\u00e3 v\u00f9ng, qu\u00ean m\u00e3 PIN ho\u1eb7c c\u00e0i \u0111\u1eb7t \u0111i\u1ec7n tho\u1ea1i.<\/p>\n<\/div>\n\n <\/div>\n<\/li> \n <\/ul>\n <\/div>\n<\/div>\n <\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":13,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"templates\/page_template-basic_for_gutenberg.php","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"download_by_lite_tag":[],"class_list":["post-315349","page","type-page","status-publish","hentry"],"yoast_head":"\nT\u00edn hi\u1ec7u kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng | Planet VPN<\/title>\n<meta name=\"description\" content=\"Signal kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng? Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 m\u00e3 x\u00e1c minh kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c, tin nh\u1eafn kh\u00f4ng g\u1eedi \u0111\u01b0\u1ee3c, cu\u1ed9c g\u1ecdi th\u1ea5t b\u1ea1i, th\u00f4ng b\u00e1o b\u1ecb thi\u1ebfu, s\u1ef1 c\u1ed1 Signal Desktop v\u00e0 chuy\u1ec3n cu\u1ed9c g\u1ecdi.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/freevpnplanet.com\/vi\/signal-not-working\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u00edn hi\u1ec7u kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng | Planet VPN\" \/>\n<meta property=\"og:description\" content=\"Signal kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng? 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N\u1ebfu ch\u1ec9 b\u1ea1n b\u1ecb \u1ea3nh h\u01b0\u1edfng, h\u00e3y chuy\u1ec3n sang m\u1ea1ng kh\u00e1c, c\u1eadp nh\u1eadt Signal v\u00e0 t\u1ea1m d\u1eebng b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng VPN ho\u1eb7c t\u01b0\u1eddng l\u1eeda n\u00e0o.\"}},{\"@type\":\"Question\",\"name\":\"2. T\u1ea1i sao t\u00f4i kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c m\u00e3 x\u00e1c nh\u1eadn Signal?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ki\u1ec3m tra \u0111\u1ecbnh d\u1ea1ng s\u1ed1, cho ph\u00e9p nh\u1eadn tin nh\u1eafn SMS t\u1eeb ng\u01b0\u1eddi g\u1eedi kh\u00f4ng x\u00e1c \u0111\u1ecbnh v\u00e0 th\u1eed t\u00f9y ch\u1ecdn g\u1ecdi tho\u1ea1i. B\u1ed9 l\u1ecdc th\u01b0 r\u00e1c c\u1ee7a nh\u00e0 m\u1ea1ng c\u00f3 th\u1ec3 ch\u1eb7n m\u00e3, v\u00e0 sau qu\u00e1 nhi\u1ec1u l\u1ea7n th\u1eed, Signal s\u1ebd b\u1eaft b\u1ea1n ch\u1edd.\"}},{\"@type\":\"Question\",\"name\":\"3. T\u1ea1i sao tin nh\u1eafn Signal ch\u1ec9 \u0111\u1ebfn khi t\u00f4i m\u1edf \u1ee9ng d\u1ee5ng?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a pin ho\u1eb7c h\u1ea1n ch\u1ebf d\u1eef li\u1ec7u n\u1ec1n tr\u00ean \u0111i\u1ec7n tho\u1ea1i nh\u1eadn cu\u1ed9c g\u1ecdi th\u01b0\u1eddng l\u00e0 nguy\u00ean nh\u00e2n. H\u00e3y lo\u1ea1i tr\u1eeb Signal kh\u1ecfi t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a pin v\u00e0 cho ph\u00e9p d\u1eef li\u1ec7u n\u1ec1n, bao g\u1ed3m c\u1ea3 c\u00e1c d\u1ecbch v\u1ee5 Google Play tr\u00ean Android.\"}},{\"@type\":\"Question\",\"name\":\"4. T\u1ea1i sao tin nh\u1eafn Signal c\u1ee7a t\u00f4i l\u1ea1i b\u1ecb k\u1eb9t \u1edf m\u1ed9t d\u1ea5u t\u00edch duy nh\u1ea5t?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"M\u1ed9t l\u1ea7n ki\u1ec3m tra ngh\u0129a l\u00e0 Signal \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c tin nh\u1eafn c\u1ee7a b\u1ea1n nh\u01b0ng \u0111i\u1ec7n tho\u1ea1i c\u1ee7a ng\u01b0\u1eddi li\u00ean h\u1ec7 ch\u01b0a nh\u1eadn \u0111\u01b0\u1ee3c. H\u1ecd c\u00f3 th\u1ec3 \u0111ang ngo\u1ea1i tuy\u1ebfn ho\u1eb7c \u0111\u00e3 gi\u1edbi h\u1ea1n ch\u1ee9c n\u0103ng Signal do c\u00e0i \u0111\u1eb7t pin. Qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd chuy\u1ec3n th\u00e0nh hai l\u1ea7n ki\u1ec3m tra khi tin nh\u1eafn \u0111\u1ebfn.\"}},{\"@type\":\"Question\",\"name\":\"5. 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M\u1edf Signal tr\u00ean \u0111i\u1ec7n tho\u1ea1i, c\u1eadp nh\u1eadt c\u1ea3 hai \u1ee9ng d\u1ee5ng v\u00e0 li\u00ean k\u1ebft l\u1ea1i Desktop b\u1eb1ng m\u00e3 QR m\u1edbi n\u1ebfu v\u1eabn kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c.\"}},{\"@type\":\"Question\",\"name\":\"7. VPN c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u1edbi Signal kh\u00f4ng?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"VPN h\u1eefu \u00edch khi m\u1ea1ng, nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet (ISP) ho\u1eb7c qu\u1ed1c gia n\u00e0o \u0111\u00f3 ch\u1eb7n Signal. 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N\u1ebfu ch\u1ec9 b\u1ea1n b\u1ecb \u1ea3nh h\u01b0\u1edfng, h\u00e3y chuy\u1ec3n sang m\u1ea1ng kh\u00e1c, c\u1eadp nh\u1eadt Signal v\u00e0 t\u1ea1m d\u1eebng b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng VPN ho\u1eb7c t\u01b0\u1eddng l\u1eeda n\u00e0o."}},{"@type":"Question","name":"2. T\u1ea1i sao t\u00f4i kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c m\u00e3 x\u00e1c nh\u1eadn Signal?","acceptedAnswer":{"@type":"Answer","text":"Ki\u1ec3m tra \u0111\u1ecbnh d\u1ea1ng s\u1ed1, cho ph\u00e9p nh\u1eadn tin nh\u1eafn SMS t\u1eeb ng\u01b0\u1eddi g\u1eedi kh\u00f4ng x\u00e1c \u0111\u1ecbnh v\u00e0 th\u1eed t\u00f9y ch\u1ecdn g\u1ecdi tho\u1ea1i. B\u1ed9 l\u1ecdc th\u01b0 r\u00e1c c\u1ee7a nh\u00e0 m\u1ea1ng c\u00f3 th\u1ec3 ch\u1eb7n m\u00e3, v\u00e0 sau qu\u00e1 nhi\u1ec1u l\u1ea7n th\u1eed, Signal s\u1ebd b\u1eaft b\u1ea1n ch\u1edd."}},{"@type":"Question","name":"3. T\u1ea1i sao tin nh\u1eafn Signal ch\u1ec9 \u0111\u1ebfn khi t\u00f4i m\u1edf \u1ee9ng d\u1ee5ng?","acceptedAnswer":{"@type":"Answer","text":"Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a pin ho\u1eb7c h\u1ea1n ch\u1ebf d\u1eef li\u1ec7u n\u1ec1n tr\u00ean \u0111i\u1ec7n tho\u1ea1i nh\u1eadn cu\u1ed9c g\u1ecdi th\u01b0\u1eddng l\u00e0 nguy\u00ean nh\u00e2n. H\u00e3y lo\u1ea1i tr\u1eeb Signal kh\u1ecfi t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a pin v\u00e0 cho ph\u00e9p d\u1eef li\u1ec7u n\u1ec1n, bao g\u1ed3m c\u1ea3 c\u00e1c d\u1ecbch v\u1ee5 Google Play tr\u00ean Android."}},{"@type":"Question","name":"4. T\u1ea1i sao tin nh\u1eafn Signal c\u1ee7a t\u00f4i l\u1ea1i b\u1ecb k\u1eb9t \u1edf m\u1ed9t d\u1ea5u t\u00edch duy nh\u1ea5t?","acceptedAnswer":{"@type":"Answer","text":"M\u1ed9t l\u1ea7n ki\u1ec3m tra ngh\u0129a l\u00e0 Signal \u0111\u00e3 nh\u1eadn \u0111\u01b0\u1ee3c tin nh\u1eafn c\u1ee7a b\u1ea1n nh\u01b0ng \u0111i\u1ec7n tho\u1ea1i c\u1ee7a ng\u01b0\u1eddi li\u00ean h\u1ec7 ch\u01b0a nh\u1eadn \u0111\u01b0\u1ee3c. H\u1ecd c\u00f3 th\u1ec3 \u0111ang ngo\u1ea1i tuy\u1ebfn ho\u1eb7c \u0111\u00e3 gi\u1edbi h\u1ea1n ch\u1ee9c n\u0103ng Signal do c\u00e0i \u0111\u1eb7t pin. Qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd chuy\u1ec3n th\u00e0nh hai l\u1ea7n ki\u1ec3m tra khi tin nh\u1eafn \u0111\u1ebfn."}},{"@type":"Question","name":"5. T\u1ea1i sao Signal kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng tr\u00ean Wi-Fi?","acceptedAnswer":{"@type":"Answer","text":"M\u1ed9t s\u1ed1 m\u1ea1ng Wi-Fi, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf n\u01a1i l\u00e0m vi\u1ec7c ho\u1eb7c tr\u01b0\u1eddng h\u1ecdc, h\u1ea1n ch\u1ebf c\u00e1c c\u1ed5ng m\u00e0 Signal s\u1eed d\u1ee5ng. N\u1ebfu Signal ho\u1ea1t \u0111\u1ed9ng tr\u00ean d\u1eef li\u1ec7u di \u0111\u1ed9ng, h\u00e3y y\u00eau c\u1ea7u qu\u1ea3n tr\u1ecb vi\u00ean cho ph\u00e9p truy c\u1eadp *.signal.org ho\u1eb7c k\u1ebft n\u1ed1i th\u00f4ng qua VPN."}},{"@type":"Question","name":"6. T\u1ea1i sao Signal Desktop ng\u1eebng ho\u1ea1t \u0111\u1ed9ng?","acceptedAnswer":{"@type":"Answer","text":"\u1ee8ng d\u1ee5ng Desktop ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n. M\u1edf Signal tr\u00ean \u0111i\u1ec7n tho\u1ea1i, c\u1eadp nh\u1eadt c\u1ea3 hai \u1ee9ng d\u1ee5ng v\u00e0 li\u00ean k\u1ebft l\u1ea1i Desktop b\u1eb1ng m\u00e3 QR m\u1edbi n\u1ebfu v\u1eabn kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c."}},{"@type":"Question","name":"7. VPN c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u1edbi Signal kh\u00f4ng?","acceptedAnswer":{"@type":"Answer","text":"VPN h\u1eefu \u00edch khi m\u1ea1ng, nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 internet (ISP) ho\u1eb7c qu\u1ed1c gia n\u00e0o \u0111\u00f3 ch\u1eb7n Signal. 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