{"id":381018,"date":"2024-08-28T08:35:57","date_gmt":"2024-08-28T01:35:57","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=381018"},"modified":"2024-08-28T08:35:57","modified_gmt":"2024-08-28T01:35:57","slug":"loi-khi-thuc-hien-yeu-cau-loi-khong-xac-dinh","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/loi-khi-thuc-hien-yeu-cau-loi-khong-xac-dinh\/","title":{"rendered":"C\u00e1ch s\u1eeda l\u1ed7i khi th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u l\u1ed7i kh\u00f4ng x\u00e1c \u0111\u1ecbnh iPhone"},"content":{"rendered":"

M\u1eb7c d\u00f9 iPhone l\u00e0 m\u1ed9t trong nh\u1eefng d\u00f2ng \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh cao c\u1ea5p nh\u1ea5t hi\u1ec7n nay nh\u01b0ng v\u1eabn kh\u00f3 tr\u00e1nh kh\u1ecfi t\u00ecnh tr\u1ea1ng g\u1eb7p l\u1ed7i. Trong \u0111\u00f3, <\/span>l\u1ed7i khi th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u l\u1ed7i kh\u00f4ng x\u00e1c \u0111\u1ecbnh<\/b> l\u00e0 v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng \u0111\u1ed1i ph\u1ed5 bi\u1ebfn. L\u1ed7i n\u00e0y g\u00e2y ra r\u1ea5t nhi\u1ec1u phi\u1ec1n to\u00e1i trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n khi ki\u1ec3m tra c\u00e1c th\u00f4ng tin li\u00ean quan \u0111\u1ebfn nh\u00e0 m\u1ea1ng. Ch\u00ednh v\u00ec v\u1eady, trong b\u00e0i vi\u1ebft n\u00e0y Ho\u00e0ng H\u00e0 Mobile s\u1ebd cho b\u1ea1n bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch s\u1eeda l\u1ed7i n\u00e0y tr\u00ean iPhone nh\u00e9.<\/span><\/p>\n

L\u1ed7i khi th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u l\u1ed7i kh\u00f4ng x\u00e1c \u0111\u1ecbnh iPhone g\u00e2y ra \u1ea3nh h\u01b0\u1edfng g\u00ec?<\/b><\/h2>\n

L\u1ed7i “kh\u00f4ng x\u00e1c \u0111\u1ecbnh” khi th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u tr\u00ean iPhone c\u00f3 th\u1ec3 g\u00e2y ra m\u1ed9t s\u1ed1 \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng v\u00e0 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 t\u00e1c \u0111\u1ed9ng c\u1ee5 th\u1ec3 c\u1ee7a l\u1ed7i n\u00e0y m\u00e0 Ho\u00e0ng H\u00e0 Mobile \u0111\u00e3 th\u1ed1ng k\u00ea \u0111\u01b0\u1ee3c.<\/span><\/p>\n

Kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c d\u1ecbch v\u1ee5 c\u1ee7a nh\u00e0 m\u1ea1ng<\/b><\/h3>\n

M\u1ed9t trong nh\u1eefng t\u00e1c h\u1ea1i r\u00f5 r\u00e0ng nh\u1ea5t c\u1ee7a l\u1ed7i n\u00e0y l\u00e0 ng\u01b0\u1eddi d\u00f9ng s\u1ebd m\u1ea5t ho\u00e0n to\u00e0n kh\u1ea3 n\u0103ng li\u00ean l\u1ea1c qua \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng. Khi iPhone kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi d\u1ecbch v\u1ee5 c\u1ee7a nh\u00e0 m\u1ea1ng, ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n ho\u1eb7c nh\u1eadn cu\u1ed9c g\u1ecdi, kh\u00f4ng th\u1ec3 g\u1eedi ho\u1eb7c nh\u1eadn tin nh\u1eafn v\u0103n b\u1ea3n, kh\u00f4ng th\u1ec3 tra c\u1ee9u th\u00f4ng tin g\u00f3i c\u01b0\u1edbc v\u00e0 th\u1eadm ch\u00ed kh\u00f4ng th\u1ec3 truy c\u1eadp d\u1eef li\u1ec7u di \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec1u v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c t\u00ecnh hu\u1ed1ng kh\u1ea9n c\u1ea5p khi vi\u1ec7c li\u00ean l\u1ea1c l\u00e0 v\u00f4 c\u00f9ng c\u1ea7n thi\u1ebft.<\/span><\/p>\n

\"loi-khi-thuc-hien-yeu-cau-loi-khong-xac-dinh-1\"<\/picture><\/p>\n

Kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng iPhone<\/b><\/h3>\n

Trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng iPhone, n\u1ebfu g\u1eb7p <\/span>l\u1ed7i khi th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u l\u1ed7i kh\u00f4ng x\u00e1c \u0111\u1ecbnh <\/b>d\u1eabn \u0111\u1ebfn nh\u1eefng t\u00e1c h\u1ea1i nghi\u00eam tr\u1ecdng. N\u1ebfu l\u1ed7i x\u1ea3y ra trong qu\u00e1 tr\u00ecnh c\u1eadp nh\u1eadt ho\u1eb7c kh\u00f4i ph\u1ee5c h\u1ec7 \u0111i\u1ec1u h\u00e0nh, iPhone c\u00f3 th\u1ec3 b\u1ecb k\u1eb9t trong m\u1ed9t v\u00f2ng l\u1eb7p kh\u1edfi \u0111\u1ed9ng ho\u1eb7c \u1edf m\u00e0n h\u00ecnh k\u1ebft n\u1ed1i v\u1edbi iTunes. T\u1eeb \u0111\u00f3 khi\u1ebfn cho thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c cho \u0111\u1ebfn khi l\u1ed7i \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c.<\/span><\/p>\n

\"loi-khi-thuc-hien-yeu-cau-loi-khong-xac-dinh-2\"<\/picture><\/p>\n

H\u01a1n n\u1eefa, v\u1edbi nhi\u1ec1u ng\u01b0\u1eddi, iPhone l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y, t\u1eeb vi\u1ec7c gi\u1eef li\u00ean l\u1ea1c v\u1edbi ng\u01b0\u1eddi th\u00e2n, b\u1ea1n b\u00e8, \u0111\u1ebfn vi\u1ec7c gi\u1ea3i tr\u00ed v\u00e0 th\u01b0 gi\u00e3n. Khi thi\u1ebft b\u1ecb g\u1eb7p l\u1ed7i v\u00e0 kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng, c\u1ea3m gi\u00e1c lo l\u1eafng, c\u0103ng th\u1eb3ng, v\u00e0 th\u1eadm ch\u00ed l\u00e0 ho\u1ea3ng s\u1ee3 c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n. \u0110i\u1ec1u n\u00e0y ph\u1ea3n \u00e1nh s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng ngh\u1ec7 v\u00e0 l\u00e0m n\u1ed5i b\u1eadt t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 b\u1ea3o d\u01b0\u1ee1ng thi\u1ebft b\u1ecb \u0111\u1ec3 tr\u00e1nh c\u00e1c s\u1ef1 c\u1ed1 kh\u00f4ng mong mu\u1ed1n.<\/span><\/p>\n

T\u0103ng nguy c\u01a1 ph\u1ea3i thay th\u1ebf ph\u1ea7n c\u1ee9ng<\/b><\/h3>\n

C\u00e1c th\u00e0nh ph\u1ea7n ph\u1ea7n c\u1ee9ng nh\u01b0 bo m\u1ea1ch ch\u1ee7, pin, m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng, ho\u1eb7c c\u1ed5ng k\u1ebft n\u1ed1i c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng. L\u1ed7i n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng m\u00e1y b\u1ecb \u0111\u01a1, t\u1ef1 kh\u1edfi \u0111\u1ed9ng l\u1ea1i, ho\u1eb7c kh\u00f4ng th\u1ec3 s\u1ea1c \u0111\u01b0\u1ee3c pin. Nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y xu\u1ea5t hi\u1ec7n th\u01b0\u1eddng xuy\u00ean v\u00e0 kh\u00f4ng th\u1ec3 kh\u1eafc ph\u1ee5c b\u1eb1ng ph\u1ea7n m\u1ec1m, n\u00ean vi\u1ec7c thay th\u1ebf ph\u1ea7n c\u1ee9ng c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p cu\u1ed1i c\u00f9ng. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 g\u00e2y ra s\u1ef1 b\u1ea5t ti\u1ec7n cho ng\u01b0\u1eddi d\u00f9ng m\u00e0 c\u00f2n ti\u00eau t\u1ed1n th\u00eam m\u1ed9t kho\u1ea3n chi ph\u00ed s\u1eeda ch\u1eefa t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn.<\/span><\/p>\n

\"loi-khi-thuc-hien-yeu-cau-loi-khong-xac-dinh-3\"<\/picture><\/p>\n

\u0110\u00e3 v\u1eady, n\u1ebfu g\u1eb7p l\u1ed7i nh\u1eb9 th\u00ec b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn m\u00e1y s\u1eeda ch\u1eefa trong ng\u00e0y. C\u00f2n tr\u01b0\u1eddng h\u1ee3p l\u1ed7i n\u1eb7ng h\u01a1n th\u00ec b\u1ea1n c\u1ea7n ph\u1ea3i g\u1eedi thi\u1ebft b\u1ecb \u0111\u1ebfn trung t\u00e2m b\u1ea3o h\u00e0nh ho\u1eb7c c\u1eeda h\u00e0ng s\u1eeda ch\u1eefa. D\u1eabn \u0111\u1ebfn vi\u1ec7c kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng iPhone trong m\u1ed9t th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh. T\u1eeb \u0111\u00f3 g\u00e2y ra gi\u00e1n \u0111o\u1ea1n trong c\u00f4ng vi\u1ec7c, li\u00ean l\u1ea1c, v\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng h\u00e0ng ng\u00e0y.\u00a0<\/span><\/p>\n

Nguy\u00ean nh\u00e2n c\u1ee7a l\u1ed7i khi th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u l\u1ed7i kh\u00f4ng x\u00e1c \u0111\u1ecbnh iPhone<\/b><\/h2>\n

Tr\u00ean th\u1ef1c t\u1ebf, c\u00f3 r\u1ea5t nhi\u1ec1u nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng \u0111i\u1ec7n tho\u1ea1i iPhone g\u1eb7p l\u1ed7i kh\u00f4ng x\u00e1c \u0111\u1ecbnh. V\u00e0 \u0111\u1ec3 gi\u00fap b\u1ea1n ph\u00f2ng tr\u00e1nh \u0111\u01b0\u1ee3c l\u1ed7i n\u00e0y, Ho\u00e0ng H\u00e0 Mobile s\u1ebd chia s\u1ebb th\u00eam cho b\u1ea1n m\u1ed9t s\u1ed1 th\u00f4ng tin quan tr\u1ecdng sau \u0111\u00e2y nh\u00e9.<\/span><\/p>\n

L\u1ed7i d\u1ecbch v\u1ee5 h\u1ec7 th\u1ed1ng nh\u00e0 m\u1ea1ng<\/b><\/h3>\n

D\u1ecbch v\u1ee5 c\u1ee7a nh\u00e0 m\u1ea1ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o iPhone c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u00e0 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. Khi h\u1ec7 th\u1ed1ng nh\u00e0 m\u1ea1ng g\u1eb7p s\u1ef1 c\u1ed1, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u1ed7i “kh\u00f4ng x\u00e1c \u0111\u1ecbnh” tr\u00ean iPhone. C\u00e1c s\u1ef1 c\u1ed1 n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m m\u1ea5t t\u00edn hi\u1ec7u do l\u1ed7i k\u1ef9 thu\u1eadt, s\u1ef1 c\u1ed1 m\u00e1y ch\u1ee7 c\u1ee7a nh\u00e0 m\u1ea1ng, ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng. Nh\u1eefng s\u1ef1 c\u1ed1 n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3 m\u1ed9t khu v\u1ef1c r\u1ed9ng l\u1edbn, l\u00e0m cho nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng g\u1eb7p ph\u1ea3i l\u1ed7i t\u01b0\u01a1ng t\u1ef1 tr\u00ean thi\u1ebft b\u1ecb.<\/span><\/p>\n

\"loi-khi-thuc-hien-yeu-cau-loi-khong-xac-dinh-4\"<\/picture><\/p>\n

\u0110\u00f4i khi, c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt iOS m\u1edbi c\u00f3 th\u1ec3 kh\u00f4ng ho\u00e0n to\u00e0n t\u01b0\u01a1ng th\u00edch v\u1edbi d\u1ecbch v\u1ee5 c\u1ee7a nh\u00e0 m\u1ea1ng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c xung \u0111\u1ed9t trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u, g\u00e2y ra l\u1ed7i kh\u00f4ng x\u00e1c \u0111\u1ecbnh khi th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u. V\u00ed d\u1ee5, m\u1ed9t b\u1ea3n c\u1eadp nh\u1eadt h\u1ec7 \u0111i\u1ec1u h\u00e0nh c\u00f3 th\u1ec3 thay \u0111\u1ed5i c\u00e1ch th\u1ee9c iPhone k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng di \u0111\u1ed9ng, khi\u1ebfn thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh ho\u1eb7c g\u1eb7p ph\u1ea3i c\u00e1c s\u1ef1 c\u1ed1 kh\u00e1c. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y, ngay c\u1ea3 khi iPhone ho\u1ea1t \u0111\u1ed9ng t\u1ed1t tr\u01b0\u1edbc khi c\u1eadp nh\u1eadt, l\u1ed7i v\u1eabn c\u00f3 th\u1ec3 x\u1ea3y ra sau khi c\u1eadp nh\u1eadt.<\/span><\/p>\n

S\u1ef1 c\u1ed1 v\u1edbi SIM ho\u1eb7c eSIM<\/b><\/h3>\n

SIM v\u1eadt l\u00fd l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n nh\u1ecf nh\u01b0ng c\u1ef1c k\u1ef3 quan tr\u1ecdng, gi\u00fap iPhone k\u1ebft n\u1ed1i v\u1edbi nh\u00e0 m\u1ea1ng v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng li\u00ean l\u1ea1c nh\u01b0 g\u1ecdi \u0111i\u1ec7n, nh\u1eafn tin v\u00e0 truy c\u1eadp d\u1eef li\u1ec7u di \u0111\u1ed9ng. N\u1ebfu SIM b\u1ecb h\u1ecfng, b\u1ecb tr\u1ea7y x\u01b0\u1edbc, ho\u1eb7c b\u1ecb u\u1ed1n cong, n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch. D\u1eabn \u0111\u1ebfn vi\u1ec7c iPhone kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng di \u0111\u1ed9ng v\u00e0 hi\u1ec3n th\u1ecb <\/span>l\u1ed7i khi th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u l\u1ed7i kh\u00f4ng x\u00e1c \u0111\u1ecbnh<\/b>. Ngo\u00e0i ra, n\u1ebfu SIM kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u00fang c\u00e1ch ho\u1eb7c b\u1ecb l\u1ecfng trong khe c\u1eafm, k\u1ebft n\u1ed1i c\u0169ng c\u00f3 th\u1ec3 b\u1ecb gi\u00e1n \u0111o\u1ea1n, g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng t\u1ef1.<\/span><\/p>\n

\"loi-khi-thuc-hien-yeu-cau-loi-khong-xac-dinh-5\"<\/picture><\/p>\n

\u0110\u1ed3ng th\u1eddi, SIM v\u00e0 eSIM c\u1ea7n \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang c\u00e1ch \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng tr\u00ean iPhone. N\u1ebfu c\u1ea5u h\u00ecnh b\u1ecb sai, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00f4ng tin APN (Access Point Name) kh\u00f4ng ch\u00ednh x\u00e1c, iPhone c\u00f3 th\u1ec3 kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c v\u1edbi d\u1ecbch v\u1ee5 nh\u00e0 m\u1ea1ng. \u0110\u1eb7c bi\u1ec7t, \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi s\u1eed d\u1ee5ng eSIM, vi\u1ec7c nh\u1eadp sai th\u00f4ng tin c\u1ea5u h\u00ecnh ho\u1eb7c ch\u1ecdn sai nh\u00e0 m\u1ea1ng khi thi\u1ebft l\u1eadp c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng t\u1ef1. T\u00ecnh hu\u1ed1ng th\u01b0\u1eddng x\u1ea3y ra khi ng\u01b0\u1eddi d\u00f9ng thay \u0111\u1ed5i nh\u00e0 m\u1ea1ng ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 di \u0111\u1ed9ng qu\u1ed1c t\u1ebf m\u00e0 kh\u00f4ng c\u1eadp nh\u1eadt c\u1ea5u h\u00ecnh ph\u00f9 h\u1ee3p.<\/span><\/p>\n

Thi\u1ebft b\u1ecb g\u1eb7p v\u1ea5n \u0111\u1ec1<\/b><\/h3>\n

V\u1ea5n \u0111\u1ec1 h\u1ecfng h\u00f3c thi\u1ebft b\u1ecb l\u00e0 nguy\u00ean nh\u00e2n m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi s\u1ee3 nh\u1ea5t. N\u00f3 bao g\u1ed3m c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 h\u1ecfng bo m\u1ea1ch ch\u1ee7, chip x\u1eed l\u00fd b\u1ecb l\u1ed7i, ho\u1eb7c c\u00e1c th\u00e0nh ph\u1ea7n quan tr\u1ecdng kh\u00e1c. Nh\u1eefng h\u1ecfng h\u00f3c n\u00e0y c\u00f3 th\u1ec3 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c iPhone b\u1ecb r\u01a1i, va \u0111\u1eadp m\u1ea1nh, ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc, ho\u1eb7c s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t. Khi ph\u1ea7n c\u1ee9ng b\u1ecb h\u1ecfng, iPhone kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng m\u1ed9t c\u00e1ch b\u00ecnh th\u01b0\u1eddng, d\u1eabn \u0111\u1ebfn vi\u1ec7c thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u nh\u1ea5t \u0111\u1ecbnh.<\/span><\/p>\n

\"loi-khi-thuc-hien-yeu-cau-loi-khong-xac-dinh-6\"<\/picture><\/p>\n

H\u01b0\u1edbng d\u1eabn c\u00e1ch kh\u1eafc ph\u1ee5c l\u1ed7i khi th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u l\u1ed7i kh\u00f4ng x\u00e1c \u0111\u1ecbnh<\/b><\/h2>\n

Khi b\u1ea1n g\u1eb7p l\u1ed7i n\u00e0y tr\u00ean \u0111i\u1ec7n tho\u1ea1i iPhone c\u1ee7a m\u00ecnh th\u00ec c\u00f3 c\u00e1ch n\u00e0o \u0111\u1ec3 kh\u1eafc ph\u1ee5c an to\u00e0n hay kh\u00f4ng? Th\u1eadt t\u1ed1t khi b\u1ea1n \u0111\u1ecdc \u0111\u01b0\u1ee3c b\u00e0i vi\u1ebft n\u00e0y v\u00ec Ho\u00e0ng H\u00e0 Mobile s\u1ebd h\u01b0\u1edbng d\u1eabn cho b\u1ea1n m\u1ed9t s\u1ed1 c\u00e1ch c\u1ee5 th\u1ec3 nh\u00e9.<\/span><\/p>\n

Kh\u1edfi \u0111\u1ed9ng l\u1ea1i iPhone<\/b><\/h3>\n

Kh\u1edfi \u0111\u1ed9ng l\u1ea1i iPhone gi\u00fap l\u00e0m m\u1edbi h\u1ec7 th\u1ed1ng v\u00e0 c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c c\u00e1c l\u1ed7i t\u1ea1m th\u1eddi li\u00ean quan \u0111\u1ebfn ph\u1ea7n m\u1ec1m. Do \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed tr\u01b0\u1edbc c\u00e1ch \u0111\u1ea7u ti\u00ean n\u00e0y \u0111\u1ec3 xem thi\u1ebft b\u1ecb c\u00f3 ho\u1ea1t \u0111\u1ed9ng l\u1ea1i \u1ed5n \u0111\u1ecbnh hay kh\u00f4ng nh\u00e9.<\/span><\/p>\n

B\u01b0\u1edbc 1: Nh\u1ea5n v\u00e0 gi\u1eef n\u00fat ngu\u1ed3n (ho\u1eb7c n\u00fat ngu\u1ed3n + n\u00fat \u00e2m l\u01b0\u1ee3ng t\u00f9y thu\u1ed9c v\u00e0o m\u1eabu iPhone) cho \u0111\u1ebfn khi xu\u1ea5t hi\u1ec7n thanh tr\u01b0\u1ee3t “Tr\u01b0\u1ee3t \u0111\u1ec3 t\u1eaft ngu\u1ed3n”.<\/span><\/p>\n

\"loi-khi-thuc-hien-yeu-cau-loi-khong-xac-dinh-7\"<\/picture><\/p>\n

B\u01b0\u1edbc 2: K\u00e9o thanh tr\u01b0\u1ee3t \u0111\u1ec3 t\u1eaft ngu\u1ed3n iPhone.<\/span><\/p>\n

B\u01b0\u1edbc 3: Sau khi thi\u1ebft b\u1ecb t\u1eaft ho\u00e0n to\u00e0n, nh\u1ea5n v\u00e0 gi\u1eef n\u00fat ngu\u1ed3n \u0111\u1ec3 b\u1eadt l\u1ea1i.<\/span><\/p>\n

Ki\u1ec3m tra v\u00e0 l\u1eafp l\u1ea1i SIM\/eSIM<\/b><\/h3>\n

C\u00e1ch th\u1ee9 2 \u0111\u1ec3 kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng <\/span>l\u1ed7i khi th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u l\u1ed7i kh\u00f4ng x\u00e1c \u0111\u1ecbnh<\/b> l\u00e0 th\u00e1o v\u00e0 l\u1eafp l\u1ea1i SIM \u0111i\u1ec7n tho\u1ea1i. \u0110\u00f4i khi t\u00ecnh tr\u1ea1ng SIM\/eSIM \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi thi\u1ebft b\u1ecb c\u0169ng d\u1eabn \u0111\u1ebfn hi\u1ec7n tr\u1ea1ng kh\u00f4ng x\u00e1c \u0111\u1ecbnh khi tra c\u1ee9u th\u00f4ng tin v\u1edbi nh\u00e0 m\u1ea1ng vi\u1ec5n th\u00f4ng.\u00a0<\/span><\/p>\n

\"loi-khi-thuc-hien-yeu-cau-loi-khong-xac-dinh-8\"<\/picture><\/p>\n

N\u1ebfu b\u1ea1n c\u0169ng \u0111ang g\u1eb7p l\u1ed7i th\u00ec c\u00f3 th\u1ec3 h\u00e3y th\u00e1o SIM ra kh\u1ecfi khe c\u1eafm, ki\u1ec3m tra xem c\u00f3 b\u1ee5i b\u1ea9n ho\u1eb7c h\u01b0 h\u1ecfng g\u00ec kh\u00f4ng, sau \u0111\u00f3 l\u1eafp l\u1ea1i c\u1ea9n th\u1eadn. Ho\u1eb7c th\u00eam m\u1ed9t c\u00e1ch kh\u00e1c l\u00e0 b\u1ea1n d\u00f9ng SIM l\u1eafp v\u00e0o m\u1ed9t thi\u1ebft b\u1ecb kh\u00e1c \u0111\u1ec3 ki\u1ec3m tra ch\u1eafc ch\u1eafn r\u1eb1ng SIM v\u1eabn ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/span><\/p>\n

T\u1eaft ch\u1ebf \u0111\u1ed9 VoLTE<\/b><\/h3>\n

VoLTE l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a “Voice over Long-Term Evolution,” ngh\u0129a l\u00e0 truy\u1ec1n t\u1ea3i \u00e2m thanh qua m\u1ea1ng 4G LTE. Tr\u01b0\u1edbc khi VoLTE ra \u0111\u1eddi, c\u00e1c cu\u1ed9c g\u1ecdi tho\u1ea1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n qua c\u00e1c m\u1ea1ng 2G ho\u1eb7c 3G. Trong khi m\u1ea1ng 4G LTE ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u (nh\u01b0 truy c\u1eadp internet, xem video, t\u1ea3i \u1ee9ng d\u1ee5ng).<\/span><\/p>\n

Khi s\u1eed d\u1ee5ng VoLTE, cu\u1ed9c g\u1ecdi tho\u1ea1i s\u1ebd \u0111\u01b0\u1ee3c truy\u1ec1n qua m\u1ea1ng 4G LTE, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c g\u1ecdi v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh cao h\u01a1n v\u00e0 k\u1ebft n\u1ed1i nhanh h\u01a1n. Tuy nhi\u00ean, trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p vi\u1ec7c b\u1eadt ch\u1ebf \u0111\u1ed9 VoLTE c\u00f3 th\u1ec3 g\u00e2y ra xung \u0111\u1ed9t v\u1edbi c\u00e1c t\u00ednh n\u0103ng kh\u00e1c v\u00e0 d\u1eabn \u0111\u1ebfn <\/span>l\u1ed7i khi th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u l\u1ed7i kh\u00f4ng x\u00e1c \u0111\u1ecbnh<\/b>.<\/span><\/p>\n

Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y b\u1ea1n c\u00f3 th\u1ec3 t\u1eaft ch\u1ebf \u0111\u1ed9 VoLTE b\u1eb1ng c\u00e1ch 2 b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n m\u00e0 Ho\u00e0ng H\u00e0 Mobile gi\u1edbi thi\u1ec7u b\u00ean d\u01b0\u1edbi \u0111\u00e2y.<\/span><\/p>\n

B\u01b0\u1edbc 1: \u0110\u1ea7u ti\u00ean, b\u1ea1n truy c\u1eadp v\u00e0o \u201cC\u00e0i \u0111\u1eb7t\u201d ch\u1ecdn \u201cDi \u0111\u1ed9ng\u201d v\u00e0 ch\u1ecdn ti\u1ebfp \u201cD\u1eef li\u1ec7u di \u0111\u1ed9ng\u201d.<\/span><\/p>\n

\"loi-khi-thuc-hien-yeu-cau-loi-khong-xac-dinh-9\"<\/picture><\/p>\n

B\u01b0\u1edbc 2: K\u1ebf \u0111\u1ebfn, b\u1ea1n h\u00e3y \u0111i\u1ec1u h\u01b0\u1edbng v\u00e0 t\u00ecm ch\u1ecdn v\u00e0o m\u1ee5c \u201cTho\u1ea1i & d\u1eef li\u1ec7u\u201d. Cu\u1ed1i c\u00f9ng l\u00e0 g\u1ea1t t\u1eaft ch\u1ebf \u0111\u1ed9 VoLTE.<\/span><\/p>\n

\"loi-khi-thuc-hien-yeu-cau-loi-khong-xac-dinh-11\"<\/picture><\/p>\n

Li\u00ean h\u1ec7 nh\u00e0 m\u1ea1ng<\/b><\/h3>\n

Khi g\u1eb7p ph\u1ea3i c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn d\u1ecbch v\u1ee5 di \u0111\u1ed9ng, vi\u1ec7c li\u00ean h\u1ec7 v\u1edbi nh\u00e0 m\u1ea1ng l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 gi\u1ea3i quy\u1ebft s\u1ef1 c\u1ed1. Nh\u00e0 m\u1ea1ng, hay c\u00f2n g\u1ecdi l\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 di \u0111\u1ed9ng, l\u00e0 \u0111\u01a1n v\u1ecb cung c\u1ea5p k\u1ebft n\u1ed1i m\u1ea1ng v\u00e0 c\u00e1c d\u1ecbch v\u1ee5 li\u00ean quan nh\u01b0 g\u1ecdi \u0111i\u1ec7n, nh\u1eafn tin, d\u1eef li\u1ec7u di \u0111\u1ed9ng v\u00e0 nhi\u1ec1u ti\u1ec7n \u00edch kh\u00e1c. Vi\u1ec7c li\u00ean h\u1ec7 v\u1edbi nh\u00e0 m\u1ea1ng kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n kh\u1eafc ph\u1ee5c c\u00e1c l\u1ed7i k\u1ef9 thu\u1eadt. T\u1ed5 ch\u1ee9c c\u00f2n cung c\u1ea5p gi\u1ea3i ph\u00e1p cho c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn t\u00e0i kho\u1ea3n, c\u01b0\u1edbc ph\u00ed, ho\u1eb7c d\u1ecbch v\u1ee5 kh\u00e1ch h\u00e0ng.<\/span><\/p>\n

\"loi-khi-thuc-hien-yeu-cau-loi-khong-xac-dinh-11\"<\/picture><\/p>\n

Sau khi li\u00ean h\u1ec7 v\u1edbi nh\u00e0 m\u1ea1ng v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3, b\u1ea1n n\u00ean theo d\u00f5i k\u1ebft qu\u1ea3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o v\u1ea5n \u0111\u1ec1 \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft. N\u1ebfu v\u1ea5n \u0111\u1ec1 v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c, \u0111\u1eebng ng\u1ea7n ng\u1ea1i li\u00ean h\u1ec7 l\u1ea1i \u0111\u1ec3 y\u00eau c\u1ea7u th\u00eam h\u1ed7 tr\u1ee3. \u0110\u00f4i khi, vi\u1ec7c ph\u1ea3n h\u1ed3i v\u1ec1 d\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3 c\u0169ng c\u00f3 th\u1ec3 gi\u00fap c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 trong t\u01b0\u01a1ng lai.<\/span><\/p>\n

K\u1ebft lu\u1eadn<\/b><\/h2>\n

Nh\u01b0 v\u1eady, ch\u00fang ta \u0111\u00e3 c\u00f9ng nhau t\u00ecm hi\u1ec3u t\u1ea5t c\u1ea3 nh\u1eefng th\u00f4ng tin li\u00ean quan \u0111\u1ebfn <\/span>l\u1ed7i khi th\u1ef1c hi\u1ec7n y\u00eau c\u1ea7u l\u1ed7i kh\u00f4ng x\u00e1c \u0111\u1ecbnh<\/b>. Vi\u1ec7c nh\u1eadn di\u1ec7n v\u00e0 hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ed7i l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c hi\u1ec7u qu\u1ea3. B\u1eb1ng c\u00e1ch ki\u1ec3m tra c\u00e1c y\u1ebfu t\u1ed1 li\u00ean quan nh\u01b0 ph\u1ea7n c\u1ee9ng, ph\u1ea7n m\u1ec1m, v\u00e0 c\u1ea5u h\u00ecnh thi\u1ebft b\u1ecb, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh v\u00e0 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1. Tuy nhi\u00ean, n\u1ebfu c\u00e1c bi\u1ec7n ph\u00e1p t\u1ef1 kh\u1eafc ph\u1ee5c kh\u00f4ng th\u00e0nh c\u00f4ng. Vi\u1ec7c li\u00ean h\u1ec7 v\u1edbi b\u1ed9 ph\u1eadn h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t ho\u1eb7c trung t\u00e2m b\u1ea3o h\u00e0nh l\u00e0 b\u01b0\u1edbc c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa chuy\u00ean nghi\u1ec7p. h\u01a1n b\u1ea1n nh\u00e9.<\/span><\/p>\n

Xem th\u00eam:<\/b><\/p>\n