{"id":483899,"date":"2025-08-22T10:47:54","date_gmt":"2025-08-22T03:47:54","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=483899"},"modified":"2025-08-22T10:47:54","modified_gmt":"2025-08-22T03:47:54","slug":"co-song-wifi-nhung-khong-ket-noi-duoc-internet-tren-dien-thoai","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/co-song-wifi-nhung-khong-ket-noi-duoc-internet-tren-dien-thoai\/","title":{"rendered":"C\u00e1ch kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng c\u00f3 s\u00f3ng Wifi nh\u01b0ng kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c internet tr\u00ean \u0111i\u1ec7n tho\u1ea1i"},"content":{"rendered":"

C\u00f3 s\u00f3ng Wifi nh\u01b0ng kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c internet tr\u00ean \u0111i\u1ec7n tho\u1ea1i <\/b>l\u00e0 t\u00ecnh tr\u1ea1ng kh\u00e1 ph\u1ed5 bi\u1ebfn khi\u1ebfn nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng c\u1ea3m th\u1ea5y b\u1ed1i r\u1ed1i. M\u1eb7c d\u00f9 bi\u1ec3u t\u01b0\u1ee3ng Wifi hi\u1ec3n th\u1ecb \u0111\u1ea7y v\u1ea1ch, nh\u01b0ng khi truy c\u1eadp web hay d\u00f9ng \u1ee9ng d\u1ee5ng th\u00ec kh\u00f4ng c\u00f3 t\u00edn hi\u1ec7u m\u1ea1ng. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng t\u00ecm hi\u1ec3u nh\u1eefng nguy\u00ean nh\u00e2n th\u01b0\u1eddng g\u1eb7p v\u00e0 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft c\u00e1ch kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u00e9.<\/span><\/p>\n

Nguy\u00ean d\u1eabn d\u1eabn \u0111\u1ebfn c\u00f3 s\u00f3ng Wifi nh\u01b0ng kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c internet tr\u00ean \u0111i\u1ec7n tho\u1ea1i<\/b><\/h2>\n

M\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn l\u00e0 \u0111\u01b0\u1eddng truy\u1ec1n m\u1ea1ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh, b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi v\u1eadt c\u1ea3n, t\u01b0\u1eddng d\u00e0y, ho\u1eb7c qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i \u0111\u1ed3ng th\u1eddi, khi\u1ebfn t\u00edn hi\u1ec7u suy y\u1ebfu v\u00e0 kh\u00f4ng th\u1ec3 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3. Ngo\u00e0i ra, xung \u0111\u1ed9t \u0111\u1ecba ch\u1ec9 IP c\u0169ng l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 khi\u1ebfn thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 truy c\u1eadp internet, d\u00f9 v\u1eabn hi\u1ec3n th\u1ecb k\u1ebft n\u1ed1i Wifi.\u00a0<\/span><\/p>\n

\"co-song-wifi-nhung-khong-ket-noi-duoc-internet-tren-dien-thoai-1\"<\/picture><\/p>\n

Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p kh\u00e1c, d\u00e2y c\u00e1p m\u1ea1ng n\u1ed1i gi\u1eefa modem ch\u00ednh v\u00e0 b\u1ed9 ph\u00e1t ph\u1ee5 b\u1ecb l\u1ecfng, sai chu\u1ea9n ho\u1eb7c kh\u00f4ng t\u01b0\u01a1ng th\u00edch, d\u1eabn \u0111\u1ebfn gi\u00e1n \u0111o\u1ea1n truy\u1ec1n d\u1eabn. B\u00ean c\u1ea1nh \u0111\u00f3, thi\u1ebft b\u1ecb chia c\u1ed5ng m\u1ea1ng ho\u1eb7c d\u00e2y m\u1ea1ng h\u1ecfng h\u00f3c c\u0169ng l\u00e0 nguy\u00ean nh\u00e2n kh\u00f4ng th\u1ec3 b\u1ecf qua.<\/span><\/p>\n

T\u1eeb nh\u1eefng y\u1ebfu t\u1ed1 tr\u00ean, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng l\u1ed7i kh\u00f4ng v\u00e0o \u0111\u01b0\u1ee3c internet d\u00f9 \u0111\u00e3 k\u1ebft n\u1ed1i Wifi c\u00f3 th\u1ec3 xu\u1ea5t ph\u00e1t t\u1eeb thi\u1ebft b\u1ecb di \u0111\u1ed9ng, h\u1ec7 th\u1ed1ng m\u1ea1ng n\u1ed9i b\u1ed9, ho\u1eb7c b\u1ed9 ph\u00e1t s\u00f3ng Wifi. \u0110\u1ec3 x\u1eed l\u00fd tri\u1ec7t \u0111\u1ec3 s\u1ef1 c\u1ed1, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c nguy\u00ean nh\u00e2n v\u00e0 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng \u00e1n kh\u1eafc ph\u1ee5c ph\u00f9 h\u1ee3p.<\/span><\/p>\n

M\u1ed9t s\u1ed1 c\u00e1ch s\u1eeda l\u1ed7i c\u00f3 s\u00f3ng Wifi nh\u01b0ng kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c internet tr\u00ean \u0111i\u1ec7n tho\u1ea1i<\/b><\/h2>\n

\u0110\u1ec3 gi\u00fap b\u1ea1n nhanh ch\u00f3ng kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 c\u00e1ch s\u1eeda l\u1ed7i kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c internet tr\u00ean \u0111i\u1ec7n tho\u1ea1i. Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01a1n gi\u1ea3n, d\u1ec5 th\u1ef1c hi\u1ec7n v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u1ea3 ng\u01b0\u1eddi kh\u00f4ng r\u00e0nh c\u00f4ng ngh\u1ec7, gi\u00fap thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh tr\u1edf l\u1ea1i ch\u1ec9 sau v\u00e0i b\u01b0\u1edbc c\u01a1 b\u1ea3n.<\/span><\/p>\n

Ki\u1ec3m tra v\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i thi\u1ebft b\u1ecb ph\u00e1t WiFi<\/b><\/h3>\n

\u0110\u1ec3 x\u1eed l\u00fd, ng\u01b0\u1eddi d\u00f9ng n\u00ean b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c quan s\u00e1t h\u1ec7 th\u1ed1ng d\u00e2y d\u1eabn k\u1ebft n\u1ed1i v\u1edbi modem\/router. \u0110\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c \u0111\u1ea7u c\u00e1p v\u1eabn ch\u1eafc ch\u1eafn, kh\u00f4ng b\u1ecb l\u1ecfng, r\u01a1i ra hay \u0111\u1ee9t g\u00e3y. K\u1ebft n\u1ed1i v\u1eadt l\u00fd kh\u00f4ng \u1ed5n \u0111\u1ecbnh c\u00f3 th\u1ec3 khi\u1ebfn t\u00edn hi\u1ec7u b\u1ecb gi\u00e1n \u0111o\u1ea1n m\u00e0 kh\u00f4ng hi\u1ec3n th\u1ecb l\u1ed7i r\u00f5 r\u00e0ng.<\/span><\/p>\n

\"co-song-wifi-nhung-khong-ket-noi-duoc-internet-tren-dien-thoai-2\"<\/picture><\/p>\n

Sau \u0111\u00f3, thao t\u00e1c ti\u1ebfp theo c\u1ea7n th\u1ef1c hi\u1ec7n l\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i thi\u1ebft b\u1ecb ph\u00e1t. Vi\u1ec7c n\u00e0y gi\u00fap h\u1ec7 th\u1ed1ng t\u1ef1 l\u00e0m m\u1edbi v\u00e0 x\u00f3a b\u1ecf c\u00e1c l\u1ed7i t\u1ea1m th\u1eddi. C\u00e1ch th\u1ef1c hi\u1ec7n kh\u00e1 \u0111\u01a1n gi\u1ea3n, b\u1ea1n ch\u1ec9 c\u1ea7n r\u00fat ngu\u1ed3n \u0111i\u1ec7n kh\u1ecfi modem\/router, ch\u1edd kho\u1ea3ng 30 gi\u00e2y r\u1ed3i c\u1eafm tr\u1edf l\u1ea1i. \u0110\u1ee3i th\u00eam 1\u20132 ph\u00fat \u0111\u1ec3 thi\u1ebft b\u1ecb kh\u1edfi \u0111\u1ed9ng ho\u00e0n to\u00e0n, sau \u0111\u00f3 ki\u1ec3m tra l\u1ea1i kh\u1ea3 n\u0103ng truy c\u1eadp m\u1ea1ng tr\u00ean \u0111i\u1ec7n tho\u1ea1i.<\/span><\/p>\n

Kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111i\u1ec7n tho\u1ea1i \u0111\u1ec3 x\u1eed l\u00fd l\u1ed7i<\/b><\/h3>\n

Khi g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng <\/span>c\u00f3 s\u00f3ng Wifi nh\u01b0ng kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c internet tr\u00ean \u0111i\u1ec7n tho\u1ea1i<\/b>, ngo\u00e0i vi\u1ec7c ki\u1ec3m tra modem, b\u1ea1n c\u0169ng n\u00ean ngh\u0129 \u0111\u1ebfn kh\u1ea3 n\u0103ng \u0111i\u1ec7n tho\u1ea1i \u0111ang g\u1eb7p l\u1ed7i ph\u1ea7n m\u1ec1m. Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 ph\u00e1t sinh xung \u0111\u1ed9t t\u1ea1m th\u1eddi, khi\u1ebfn ch\u1ee9c n\u0103ng m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng ch\u00ednh x\u00e1c. M\u1ed9t thao t\u00e1c \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3 \u0111\u1ec3 x\u1eed l\u00fd t\u00ecnh tr\u1ea1ng n\u00e0y ch\u00ednh l\u00e0 kh\u1edfi \u0111\u1ed9ng l\u1ea1i \u0111i\u1ec7n tho\u1ea1i.<\/span><\/p>\n

\"co-song-wifi-nhung-khong-ket-noi-duoc-internet-tren-dien-thoai-3\"<\/picture><\/p>\n

Thao t\u00e1c n\u00e0y gi\u00fap t\u1eaft to\u00e0n b\u1ed9 c\u00e1c ti\u1ebfn tr\u00ecnh \u0111ang ch\u1ea1y ng\u1ea7m, \u0111\u1ed3ng th\u1eddi l\u00e0m m\u1edbi h\u1ec7 th\u1ed1ng, t\u1eeb \u0111\u00f3 gi\u1ea3i quy\u1ebft nh\u1eefng tr\u1ee5c tr\u1eb7c nh\u1ecf g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i internet. Ngo\u00e0i ra, vi\u1ec7c kh\u1edfi \u0111\u1ed9ng l\u1ea1i c\u00f2n gi\u00fap thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh h\u01a1n, gi\u1ea3m gi\u1eadt lag, t\u1ed1i \u01b0u hi\u1ec7u n\u0103ng t\u1ed5ng th\u1ec3.<\/span><\/p>\n

Trong th\u1eddi gian ch\u1edd thi\u1ebft b\u1ecb ph\u00e1t WiFi \u0111\u01b0\u1ee3c kh\u1edfi \u0111\u1ed9ng l\u1ea1i, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng th\u1eddi \u0111i\u1ec3m n\u00e0y \u0111\u1ec3 t\u1eaft ngu\u1ed3n, sau \u0111\u00f3 b\u1eadt l\u1ea1i \u0111i\u1ec7n tho\u1ea1i. \u0110\u00e2y l\u00e0 c\u00e1ch ti\u1ebft ki\u1ec7m th\u1eddi gian, \u0111\u1ed3ng th\u1eddi mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao trong vi\u1ec7c x\u1eed l\u00fd c\u00e1c s\u1ef1 c\u1ed1 k\u1ebft n\u1ed1i kh\u00f4ng r\u00f5 nguy\u00ean nh\u00e2n.<\/span><\/p>\n

X\u00f3a m\u1ea1ng WiFi hi\u1ec7n t\u1ea1i v\u00e0 k\u1ebft n\u1ed1i l\u1ea1i<\/b><\/h3>\n

Thao t\u00e1c n\u00e0y gi\u00fap \u0111i\u1ec7n tho\u1ea1i lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n c\u00e1c thi\u1ebft l\u1eadp c\u0169 li\u00ean quan \u0111\u1ebfn m\u1ea1ng WiFi \u0111ang d\u00f9ng, t\u1eeb \u0111\u00f3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho m\u1ed9t k\u1ebft n\u1ed1i ho\u00e0n to\u00e0n m\u1edbi, \u1ed5n \u0111\u1ecbnh v\u00e0 ch\u00ednh x\u00e1c h\u01a1n. Vi\u1ec7c n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch khi m\u1eadt kh\u1ea9u WiFi \u0111\u00e3 \u0111\u01b0\u1ee3c thay \u0111\u1ed5i nh\u01b0ng \u0111i\u1ec7n tho\u1ea1i v\u1eabn s\u1eed d\u1ee5ng d\u1eef li\u1ec7u l\u01b0u tr\u1eef c\u0169 \u0111\u1ec3 \u0111\u0103ng nh\u1eadp, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng sai th\u00f4ng tin truy c\u1eadp m\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng hay bi\u1ebft.<\/span><\/p>\n

B\u01b0\u1edbc 1: B\u1ea1n h\u00e3y m\u1edf C\u00e0i \u0111\u1eb7t tr\u00ean \u0111i\u1ec7n tho\u1ea1i, sau \u0111\u00f3 ch\u1ecdn m\u1ee5c WiFi ho\u1eb7c M\u1ea1ng kh\u00f4ng d\u00e2y & Internet (t\u00f9y d\u00f2ng m\u00e1y). Ti\u1ebfp t\u1ee5c t\u00ecm t\u00ean m\u1ea1ng WiFi b\u1ea1n \u0111ang s\u1eed d\u1ee5ng v\u00e0 nh\u1ea5n v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng ch\u1eef “i” ho\u1eb7c bi\u1ec3u t\u01b0\u1ee3ng c\u00e0i \u0111\u1eb7t b\u00ean c\u1ea1nh.<\/span><\/p>\n

\"co-song-wifi-nhung-khong-ket-noi-duoc-internet-tren-dien-thoai-4\"<\/picture><\/p>\n

B\u01b0\u1edbc 2: Trong giao di\u1ec7n th\u00f4ng tin m\u1ea1ng, ch\u1ecdn m\u1ee5c “Qu\u00ean m\u1ea1ng n\u00e0y” ho\u1eb7c “X\u00f3a m\u1ea1ng”. X\u00e1c nh\u1eadn b\u1eb1ng c\u00e1ch ch\u1ecdn Qu\u00ean khi h\u1ec7 th\u1ed1ng h\u1ecfi l\u1ea1i.<\/span><\/p>\n

\"co-song-wifi-nhung-khong-ket-noi-duoc-internet-tren-dien-thoai-5\"<\/picture><\/p>\n

B\u01b0\u1edbc 3: B\u1ea1n h\u00e3y quay tr\u1edf l\u1ea1i danh s\u00e1ch WiFi kh\u1ea3 d\u1ee5ng. Nh\u1ea5n ch\u1ecdn l\u1ea1i t\u00ean WiFi c\u0169 b\u1ea1n v\u1eeba x\u00f3a v\u00e0 nh\u1eadp l\u1ea1i m\u1eadt kh\u1ea9u ch\u00ednh x\u00e1c r\u1ed3i nh\u1ea5n K\u1ebft n\u1ed1i.<\/span>\u00a0Sau khi k\u1ebft n\u1ed1i l\u1ea1i, b\u1ea1n h\u00e3y th\u1eed m\u1edf tr\u00ecnh duy\u1ec7t ho\u1eb7c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u internet \u0111\u1ec3 ki\u1ec3m tra. N\u1ebfu truy c\u1eadp \u0111\u01b0\u1ee3c, l\u1ed7i \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c th\u00e0nh c\u00f4ng.<\/span><\/p>\n

T\u1eaft ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng<\/b><\/h3>\n

Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng smartphone, ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng b\u1eadt ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m pin \u0111\u1ec3 k\u00e9o d\u00e0i th\u1eddi gian s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb. Tuy nhi\u00ean, t\u00ednh n\u0103ng n\u00e0y \u0111\u00f4i khi l\u1ea1i v\u00f4 t\u00ecnh gi\u1edbi h\u1ea1n ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t s\u1ed1 ch\u1ee9c n\u0103ng n\u1ec1n, trong \u0111\u00f3 c\u00f3 k\u1ebft n\u1ed1i WiFi. \u0110\u00e2y c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn khi\u1ebfn cho vi\u1ec7c <\/span>c\u00f3 s\u00f3ng Wifi nh\u01b0ng kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c internet tr\u00ean \u0111i\u1ec7n tho\u1ea1i<\/b>.<\/span><\/p>\n

Khi ch\u1ebf \u0111\u1ed9 n\u00e0y \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t, h\u1ec7 th\u1ed1ng s\u1ebd t\u1ef1 \u0111\u1ed9ng gi\u1ea3m hi\u1ec7u su\u1ea5t, ng\u1eaft ho\u1eb7c h\u1ea1n ch\u1ebf m\u1ed9t s\u1ed1 ti\u1ebfn tr\u00ecnh ch\u1ea1y ng\u1ea7m \u0111\u1ec3 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, t\u00ednh n\u0103ng WiFi c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng, d\u1eabn \u0111\u1ebfn m\u1ea5t kh\u1ea3 n\u0103ng truy\u1ec1n nh\u1eadn d\u1eef li\u1ec7u. V\u00ec v\u1eady, n\u1ebfu b\u1ea1n \u0111ang g\u1eb7p l\u1ed7i m\u1ea1ng kh\u00f4ng r\u00f5 l\u00fd do, h\u00e3y ki\u1ec3m tra xem thi\u1ebft b\u1ecb c\u00f3 \u0111ang b\u1eadt ch\u1ebf \u0111\u1ed9 n\u00e0y hay kh\u00f4ng, sau \u0111\u00f3 ti\u1ebfn h\u00e0nh t\u1eaft \u0111i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh tr\u1edf l\u1ea1i.<\/span><\/p>\n

Tr\u00ean thi\u1ebft b\u1ecb ch\u1ea1y iOS, v\u00e0o ph\u1ea7n C\u00e0i \u0111\u1eb7t > Pin > Ch\u1ebf \u0111\u1ed9 ngu\u1ed3n \u0111i\u1ec7n th\u1ea5p v\u00e0 g\u1ea1t t\u1eaft t\u00f9y ch\u1ecdn.<\/span><\/p>\n

\"co-song-wifi-nhung-khong-ket-noi-duoc-internet-tren-dien-thoai-6\"<\/picture><\/p>\n

\u0110\u1ed1i v\u1edbi m\u00e1y s\u1eed d\u1ee5ng Android, truy c\u1eadp C\u00e0i \u0111\u1eb7t > Ch\u0103m s\u00f3c pin v\u00e0 thi\u1ebft b\u1ecb > Pin > Ch\u1ebf \u0111\u1ed9 ti\u1ebft ki\u1ec7m pin, sau \u0111\u00f3 v\u00f4 hi\u1ec7u h\u00f3a ch\u1ebf \u0111\u1ed9 n\u00e0y.<\/span><\/p>\n

\"co-song-wifi-nhung-khong-ket-noi-duoc-internet-tren-dien-thoai-7\"<\/picture><\/p>\n

\u0110\u1eb7t l\u1ea1i c\u00e0i \u0111\u1eb7t m\u1ea1ng<\/b><\/h3>\n

Khi \u0111\u00e3 \u00e1p d\u1ee5ng nhi\u1ec1u c\u00e1ch nh\u01b0ng t\u00ecnh tr\u1ea1ng \u0111i\u1ec7n tho\u1ea1i c\u00f3 k\u1ebft n\u1ed1i WiFi nh\u01b0ng v\u1eabn kh\u00f4ng truy c\u1eadp \u0111\u01b0\u1ee3c Internet v\u1eabn ti\u1ebfp di\u1ec5n, r\u1ea5t c\u00f3 th\u1ec3 nguy\u00ean nh\u00e2n \u0111\u1ebfn t\u1eeb l\u1ed7i s\u00e2u b\u00ean trong h\u1ec7 th\u1ed1ng. L\u00fac n\u00e0y, ph\u01b0\u01a1ng \u00e1n t\u1ed1i \u01b0u v\u00e0 to\u00e0n di\u1ec7n h\u01a1n b\u1ea1n n\u00ean c\u00e2n nh\u1eafc l\u00e0 \u0111\u1eb7t l\u1ea1i to\u00e0n b\u1ed9 c\u00e0i \u0111\u1eb7t m\u1ea1ng. Thao t\u00e1c n\u00e0y s\u1ebd x\u00f3a to\u00e0n b\u1ed9 th\u00f4ng tin li\u00ean quan \u0111\u1ebfn WiFi, d\u1eef li\u1ec7u di \u0111\u1ed9ng, Bluetooth v\u00e0 VPN \u0111\u00e3 t\u1eebng \u0111\u01b0\u1ee3c l\u01b0u tr\u00ean thi\u1ebft b\u1ecb, \u0111\u01b0a ph\u1ea7n c\u1ea5u h\u00ecnh m\u1ea1ng tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u.<\/span><\/p>\n

C\u00e1ch th\u1ef1c hi\u1ec7n kh\u1eafc ph\u1ee5c v\u1ea5n \u0111\u1ec1 c\u00f3 s\u00f3ng Wifi nh\u01b0ng kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c internet tr\u00ean \u0111i\u1ec7n tho\u1ea1i<\/strong> t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 d\u00e0ng. V\u1edbi ng\u01b0\u1eddi d\u00f9ng iPhone, truy c\u1eadp C\u00e0i \u0111\u1eb7t > C\u00e0i \u0111\u1eb7t chung > \u0110\u1eb7t l\u1ea1i > \u0110\u1eb7t l\u1ea1i c\u00e0i \u0111\u1eb7t m\u1ea1ng. <\/span><\/p>\n

\"co-song-wifi-nhung-khong-ket-noi-duoc-internet-tren-dien-thoai-8\"<\/picture><\/p>\n

\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb Android, v\u00e0o C\u00e0i \u0111\u1eb7t > Qu\u1ea3n l\u00fd chung > \u0110\u1eb7t l\u1ea1i > Kh\u00f4i ph\u1ee5c c\u00e0i \u0111\u1eb7t m\u1ea1ng > X\u00f3a c\u00e1c c\u00e0i \u0111\u1eb7t.<\/span><\/p>\n

\"co-song-wifi-nhung-khong-ket-noi-duoc-internet-tren-dien-thoai-9\"<\/picture><\/p>\n

Ki\u1ec3m tra d\u00e2y c\u00e1p m\u1ea1ng<\/b><\/h3>\n

Th\u00f4ng th\u01b0\u1eddng, d\u00e2y c\u00e1p k\u1ebft n\u1ed1i internet \u0111\u1ea7u v\u00e0o ph\u1ea3i \u0111\u01b0\u1ee3c c\u1eafm \u0111\u00fang v\u00e0o c\u1ed5ng WAN c\u1ee7a b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn, c\u00f2n c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n ho\u1eb7c switch s\u1ebd s\u1eed d\u1ee5ng c\u1ed5ng LAN \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u. N\u1ebfu h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ch\u00ednh x\u00e1c, c\u00e1c \u0111\u00e8n b\u00e1o t\u00edn hi\u1ec7u tr\u00ean thi\u1ebft b\u1ecb s\u1ebd ph\u00e1t s\u00e1ng \u1ed5n \u0111\u1ecbnh. Ng\u01b0\u1ee3c l\u1ea1i, khi th\u1ea5y \u0111\u00e8n kh\u00f4ng s\u00e1ng ho\u1eb7c ch\u1edbp b\u1ea5t th\u01b0\u1eddng, b\u1ea1n n\u00ean nghi ng\u1edd v\u1ec1 vi\u1ec7c c\u00e1p b\u1ecb l\u1ecfng, g\u00e3y, ho\u1eb7c c\u1eafm sai v\u1ecb tr\u00ed.<\/span><\/p>\n

\"co-song-wifi-nhung-khong-ket-noi-duoc-internet-tren-dien-thoai-10\"<\/picture><\/p>\n

\u0110\u1ec3 x\u1eed l\u00fd vi\u1ec7c <\/span>c\u00f3 s\u00f3ng Wifi nh\u01b0ng kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c internet tr\u00ean \u0111i\u1ec7n tho\u1ea1i<\/b>, b\u1ea1n h\u00e3y ki\u1ec3m tra k\u1ef9 t\u1eebng \u0111\u1ea7u c\u1eafm, \u0111\u1ea3m b\u1ea3o c\u00e1p \u0111\u01b0\u1ee3c gh\u00e9p \u0111\u00fang c\u1ed5ng, ch\u1eafc ch\u1eafn, kh\u00f4ng b\u1ecb oxy h\u00f3a ho\u1eb7c \u0111\u1ee9t ng\u1ea7m. N\u1ebfu ph\u00e1t hi\u1ec7n d\u00e2y c\u0169 c\u00f3 d\u1ea5u hi\u1ec7u h\u01b0 h\u1ea1i, h\u00e3y thay th\u1ebf b\u1eb1ng s\u1ee3i c\u00e1p m\u1edbi \u0111\u1ea1t chu\u1ea9n \u0111\u1ec3 kh\u00f4i ph\u1ee5c t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u1ebft n\u1ed1i.<\/span><\/p>\n

Li\u00ean h\u1ec7 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u1ea1ng<\/b><\/h3>\n

\u0110\u00f4i khi, nguy\u00ean nh\u00e2n l\u1ea1i n\u1eb1m \u1edf \u0111\u01b0\u1eddng truy\u1ec1n t\u1eeb nh\u00e0 m\u1ea1ng g\u1eb7p gi\u00e1n \u0111o\u1ea1n, n\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng, ho\u1eb7c l\u1ed7i k\u1ef9 thu\u1eadt t\u1eeb ph\u00eda trung t\u00e2m \u0111i\u1ec1u ph\u1ed1i m\u1ea1ng, khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 truy c\u1eadp m\u1ea1ng d\u00f9 thi\u1ebft b\u1ecb hi\u1ec3n th\u1ecb s\u00f3ng WiFi \u0111\u1ea7y \u0111\u1ee7. Vi\u1ec7c ch\u1ee7 \u0111\u1ed9ng li\u00ean h\u1ec7 gi\u00fap b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c ph\u1ea3n h\u1ed3i nhanh ch\u00f3ng, \u0111\u1ed3ng th\u1eddi c\u1eadp nh\u1eadt t\u00ecnh tr\u1ea1ng k\u1ebft n\u1ed1i khu v\u1ef1c m\u00ecnh sinh s\u1ed1ng.<\/span><\/p>\n

\"co-song-wifi-nhung-khong-ket-noi-duoc-internet-tren-dien-thoai-11\"<\/picture><\/p>\n

\u0110\u1ec3 qu\u00e1 tr\u00ecnh h\u1ed7 tr\u1ee3 di\u1ec5n ra su\u00f4n s\u1ebb, b\u1ea1n n\u00ean chu\u1ea9n b\u1ecb s\u1eb5n th\u00f4ng tin t\u00e0i kho\u1ea3n \u0111\u0103ng k\u00fd m\u1ea1ng, bao g\u1ed3m: t\u00ean ch\u1ee7 h\u1ee3p \u0111\u1ed3ng, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i li\u00ean h\u1ec7, \u0111\u1ecba ch\u1ec9 l\u1eafp \u0111\u1eb7t. Nh\u1eefng th\u00f4ng tin n\u00e0y gi\u00fap t\u1ed5ng \u0111\u00e0i x\u00e1c minh danh t\u00ednh v\u00e0 ki\u1ec3m tra t\u00ecnh tr\u1ea1ng \u0111\u01b0\u1eddng truy\u1ec1n c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n nhanh h\u01a1n.<\/span><\/p>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c s\u1ed1 t\u1ed5ng \u0111\u00e0i ph\u1ed5 bi\u1ebfn:<\/span><\/p>\n