{"id":275998,"date":"2023-10-28T20:45:00","date_gmt":"2023-10-28T13:45:00","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=275998"},"modified":"2023-10-28T20:45:00","modified_gmt":"2023-10-28T13:45:00","slug":"h-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/h-la-gi\/","title":{"rendered":"H+ l\u00e0 g\u00ec? T\u1ea1i sao m\u1ea1ng 4G hi\u1ec7n ch\u1eef H+ hay hi\u1ec7n ch\u1eef E?"},"content":{"rendered":"<p>Khi truy c\u1eadp v\u00e0o internet b\u1eb1ng 4G, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft g\u1eb7p t\u00ecnh tr\u1ea1ng m\u1ea1ng b\u1ecb \u0111\u1ed5i th\u00e0nh H+, H, E\u2026 \u0110i\u1ec1u n\u00e0y s\u1ebd l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9 truy c\u1eadp v\u00e0 g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m c\u1ee7a b\u1ea1n. V\u1eady, H+ l\u00e0 g\u00ec, v\u00ec sao m\u1ea1ng 4G l\u1ea1i hi\u1ec7n ch\u1eef H+, E\u2026? H\u00e3y c\u00f9ng Ho\u00e0ng H\u00e0 Mobile t\u00ecm hi\u1ec3u qua b\u00e0i vi\u1ebft \u0111\u01b0\u1ee3c chia s\u1ebb d\u01b0\u1edbi \u0111\u00e2y!<\/p>\n<h2>T\u00ecm hi\u1ec3u c\u00e1c lo\u1ea1i m\u1ea1ng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/h2>\n<p>Trong ph\u1ea7n n\u00e0y, ngo\u00e0i t\u00ecm hi\u1ec3u H+ l\u00e0 g\u00ec, ch\u00fang ta s\u1ebd \u0111\u1ebfn v\u1edbi m\u1ed9t s\u1ed1 lo\u1ea1i m\u1ea1ng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay:<\/p>\n<h3>M\u1ea1ng 2G l\u00e0 g\u00ec?<\/h3>\n<p>M\u1ea1ng 2G (2nd Generation) l\u00e0 c\u00f4ng ngh\u1ec7 di \u0111\u1ed9ng vi\u1ec5n th\u00f4ng th\u1ebf h\u1ec7 th\u1ee9 2 tr\u00ean th\u1ebf gi\u1edbi, \u0111\u01b0\u1ee3c ra m\u1eaft l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 1991 t\u1ea1i Ph\u1ea7n Lan b\u1edfi nh\u00e0 m\u1ea1ng Radiolinja. Ngo\u00e0i kh\u1ea3 n\u0103ng m\u00e3 h\u00f3a t\u00edn hi\u1ec7u t\u1eeb c\u00e1c tin nh\u1eafn, cu\u1ed9c g\u1ecdi tho\u1ea1i d\u01b0\u1edbi d\u1ea1ng k\u1ef9 thu\u1eadt s\u1ed1, m\u1ea1ng 2G c\u00f2n cung c\u1ea5p nhi\u1ec1u d\u1ecbch v\u1ee5 d\u1eef li\u1ec7u kh\u00e1c nhau cho n\u1ec1n t\u1ea3ng di \u0111\u1ed9ng.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-1.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-1-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-1-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-277622 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-1.jpg\" alt=\"h+-la-gi-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3>M\u1ea1ng 3G l\u00e0 g\u00ec?<\/h3>\n<p>Tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u H+ l\u00e0 g\u00ec, ch\u00fang ta s\u1ebd c\u00f9ng \u0111\u1ebfn v\u1edbi m\u1ea1ng 3G (third-generation). \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 di \u0111\u1ed9ng vi\u1ec5n th\u00f4ng th\u1ebf h\u1ec7 th\u1ee9 3 \u0111\u01b0\u1ee3c ra \u0111\u1eddi v\u00e0o n\u0103m 1998. C\u00f4ng ngh\u1ec7 n\u00e0y s\u1edf h\u1eefu nhi\u1ec1u t\u00ednh n\u0103ng v\u01b0\u1ee3t tr\u1ed9i h\u01a1n so v\u1edbi 2G, bao g\u1ed3m cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u tho\u1ea1i g\u1ed3m nh\u1eafn tin, nghe, g\u1ecdi\u2026 v\u00e0 c\u00e1c d\u1eef li\u1ec7u kh\u00e1c nh\u01b0 h\u00ecnh \u1ea3nh, t\u1ec7p, email, tin nh\u1eafn tho\u1ea1i\u2026<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-2.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-2-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-2-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-277623 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-2.jpg\" alt=\"h+-la-gi-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3>M\u1ea1ng 4G l\u00e0 g\u00ec?<\/h3>\n<p>M\u1ea1ng 4G l\u00e0 t\u00ean g\u1ecdi vi\u1ebft t\u1eaft c\u1ee7a t\u1eeb fourth-generation &#8211; t\u1ee9c l\u00e0 c\u00f4ng ngh\u1ec7 truy\u1ec1n th\u00f4ng di \u0111\u1ed9ng kh\u00f4ng d\u00e2y th\u1ee9 4. C\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u v\u1edbi t\u1ed1c \u0111\u1ed9 l\u00ean \u0111\u1ebfn 1 &#8211; 1.5 Gb\/s, \u0111\u1ed3ng th\u1eddi \u0111\u00e1p \u1ee9ng h\u00e0ng lo\u1ea1t ti\u00eau chu\u1ea9n kh\u1eaft khe v\u1ec1 \u0111\u01b0\u1eddng truy\u1ec1n v\u00e0 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c \u0111\u1eb7t ra t\u1eeb th\u00e1ng 3\/2008 b\u1edfi T\u1ed5 ch\u1ee9c k\u1ebft n\u1ed1i m\u1ea1ng th\u1ebf gi\u1edbi ITU-R. So v\u1edbi 3G, m\u1ea1ng 4G cho t\u1ed1c \u0111\u1ed9 truy c\u1eadp nhanh h\u01a1n \u0111\u1ebfn 7 &#8211; 10 l\u1ea7n.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-3.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-3-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-3-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-277624 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-3.jpg\" alt=\"h+-la-gi-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3>M\u1ea1ng 5G l\u00e0 g\u00ec?<\/h3>\n<p>M\u1ea1ng 5G l\u00e0 t\u1eeb vi\u1ebft t\u1eaft c\u1ee7a 5th Generation, \u0111\u00e2y l\u00e0 th\u1ebf h\u1ec7 th\u1ee9 5 c\u1ee7a c\u00f4ng ngh\u1ec7 di \u0111\u1ed9ng v\u00e0 \u0111\u01b0\u1ee3c \u0111a s\u1ed1 ng\u01b0\u1eddi d\u00f9ng \u01b0a chu\u1ed9ng b\u1edfi t\u1ed1c \u0111\u1ed9 v\u00e0 th\u1eddi gian ph\u1ea3n h\u1ed3i v\u01b0\u1ee3t tr\u1ed9i. V\u1edbi 5G, b\u1ea1n c\u00f3 th\u1ec3 truy c\u1eadp internet v\u1edbi t\u1ed1c \u0111\u1ed9 nhanh ch\u00f3ng c\u00f9ng \u0111\u1ed9 tr\u1ec5 c\u1ef1c th\u1ea5p, t\u1eeb \u0111\u00f3 gia t\u0103ng tr\u1ea3i nghi\u1ec7m v\u00e0 c\u00f3 cho m\u00ecnh nh\u1eefng ph\u00fat gi\u00e2y gi\u1ea3i tr\u00ed, l\u00e0m vi\u1ec7c tuy\u1ec7t v\u1eddi nh\u1ea5t.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-4.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-4-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-4-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-277625 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-4.jpg\" alt=\"h+-la-gi-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3>M\u1ea1ng H l\u00e0 g\u00ec?<\/h3>\n<p>Tr\u01b0\u1edbc khi t\u00ecm hi\u1ec3u H+ l\u00e0 g\u00ec, ch\u00fang ta s\u1ebd c\u00f9ng \u0111\u1ebfn v\u1edbi kh\u00e1i ni\u1ec7m c\u1ee7a m\u1ea1ng H. T\u1eeb H l\u00e0 \u0111\u1ea1i di\u1ec7n c\u1ee7a c\u1ee5m High-Speed Packet Access (HSPA) &#8211; m\u1ed9t lo\u1ea1i m\u1ea1ng \u0111\u01b0\u1ee3c tri\u1ec3n khai t\u1eeb 2010 v\u00e0 hi\u1ec7n \u0111\u00e3 ph\u1ee7 s\u00f3ng \u1edf h\u1ea7u h\u1ebft c\u00e1c n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-5.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-5-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-5-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-277626 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-5.jpg\" alt=\"h+-la-gi-5\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-5.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-5-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-5-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>Nh\u00ecn chung, m\u1ea1ng HSPA c\u00f3 kh\u00e1 nhi\u1ec1u \u0111i\u1ec3m t\u01b0\u01a1ng \u0111\u1ed3ng v\u1edbi m\u1ea1ng 3G, nh\u01b0ng HSPA l\u1ea1i \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng ti\u00eau chu\u1ea9n UMTS v\u1edbi t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a l\u00ean \u0111\u1ebfn 7.2 Mbps. Khi tr\u1ea3i nghi\u1ec7m internet v\u1edbi m\u1ea1ng H, b\u1ea1n s\u1ebd kh\u00f4ng c\u1ea7n ph\u1ea3i lo l\u1eafng v\u1ec1 v\u1ea5n \u0111\u1ec1 gi\u1eadt lag hay k\u1ebft n\u1ed1i ch\u1eadm nh\u01b0 c\u00e1c lo\u1ea1i m\u1ea1ng th\u00f4ng th\u01b0\u1eddng.<\/p>\n<h3>M\u1ea1ng H+ l\u00e0 g\u00ec?<\/h3>\n<p>M\u1ea1ng H+ (hay HSPA+ &#8211; High-Speed Packet Access Plus) \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 m\u1ed9t phi\u00ean b\u1ea3n n\u00e2ng c\u1ea5p c\u1ee7a m\u1ea1ng H. M\u1ea1ng H+ c\u00f3 t\u1ed1c \u0111\u1ed9 trao \u0111\u1ed5i d\u1eef li\u1ec7u cao g\u1ea5p nhi\u1ec1u l\u1ea7n so v\u1edbi phi\u00ean b\u1ea3n m\u1ea1ng H, tr\u00ean th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u1ebfn 168.8 Mbps. T\u00ednh \u0111\u1ebfn th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i, m\u1ea1ng H+ \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p t\u1ed5ng c\u1ed9ng 5 l\u1ea7n v\u00e0 sau m\u1ed7i l\u1ea7n n\u00e2ng c\u1ea5p, m\u1ea1ng n\u00e0y l\u1ea1i \u0111\u1ea1t \u0111\u01b0\u1ee3c nhi\u1ec1u c\u1ea3i ti\u1ebfn \u0111\u00e1ng k\u1ec3 \u0111\u1ec3 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m t\u1ed1t nh\u1ea5t cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-6.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-6-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-6-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-277627 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-6.jpg\" alt=\"h+-la-gi-6\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-6.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-6-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-6-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3>M\u1ea1ng LTE l\u00e0 g\u00ec?<\/h3>\n<p>LTE (hay Long Term Evolution) \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 c\u00f4ng ngh\u1ec7 m\u1ea1ng di \u0111\u1ed9ng th\u1ebf h\u1ec7 th\u1ee9 4, \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n d\u1ef1a tr\u00ean n\u1ec1n t\u1ea3ng m\u1ea1ng 3G nh\u1eb1m mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m v\u01b0\u1ee3t b\u1eadc c\u00f9ng h\u00e0ng lo\u1ea1t l\u1ee3i \u00edch \u0111\u00e1ng k\u1ec3 cho c\u1ea3 ng\u01b0\u1eddi d\u00f9ng l\u1eabn c\u00e1c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u1ea1ng di \u0111\u1ed9ng.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-7.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-7-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-7-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-277628 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-7.jpg\" alt=\"h+-la-gi-7\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-7.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-7-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-7-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>\u0110\u1eb7c bi\u1ec7t, m\u1ea1ng LTE c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u di \u0111\u1ed9ng v\u00e0 hi\u1ec7u su\u1ea5t cao h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n m\u1ea1ng tr\u01b0\u1edbc \u0111\u00f3 nh\u01b0 2G, 3G\u2026 M\u1ed9t trong nh\u1eefng \u0111i\u1ec3m quan tr\u1ecdng c\u1ee7a m\u1ea1ng n\u00e0y l\u00e0 s\u1ef1 thay \u0111\u1ed5i trong t\u1ea7n s\u1ed1 v\u00e0 b\u0103ng th\u00f4ng.<\/p>\n<h2>M\u1ea1ng 4G hi\u1ec7n ch\u1eef E l\u00e0 g\u00ec? Kh\u1eafc ph\u1ee5c nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p>\u0110\u00f4i khi, b\u1ea1n s\u1ebd b\u1eaft g\u1eb7p t\u00ecnh tr\u1ea1ng m\u1ea1ng 4G b\u1ed7ng nhi\u00ean hi\u1ec3n th\u1ecb ch\u1eef E ho\u1eb7c ch\u1eef H+. V\u1eady, hi\u1ec7n t\u01b0\u1ee3ng xu\u1ea5t hi\u1ec7n ch\u1eef E hay ch\u1eef H+ l\u00e0 g\u00ec? Ch\u00fang ta s\u1ebd l\u1ea7n l\u01b0\u1ee3t t\u00ecm hi\u1ec3u qua nh\u1eefng ph\u1ea7n ti\u1ebfp theo c\u1ee7a b\u00e0i vi\u1ebft.<\/p>\n<p>Ri\u00eang t\u1ea1i ph\u1ea7n n\u00e0y, Ho\u00e0ng H\u00e0 Mobile s\u1ebd chia s\u1ebb c\u00e1ch kh\u1eafc ph\u1ee5c hi\u1ec7n t\u01b0\u1ee3ng hi\u1ec3n th\u1ecb ch\u1eef E trong m\u1ea1ng 4G.<\/p>\n<h3>Ch\u1eef E trong m\u1ea1ng 4G c\u00f3 ngh\u0129a l\u00e0 g\u00ec?<\/h3>\n<p>Ch\u1eef E l\u00e0 t\u1eeb vi\u1ebft t\u1eaft c\u1ee7a Enhanced Data rates for GSM Evolution &#8211; EDGE. \u0110\u00e2y l\u00e0 k\u00fd hi\u1ec7u cho bi\u1ebft t\u00ecnh tr\u1ea1ng b\u0103ng th\u00f4ng tr\u00ean \u0111i\u1ec7n tho\u1ea1i \u0111ang \u1edf m\u1ee9c y\u1ebfu. N\u1ebfu nh\u01b0 b\u1ea1n s\u1eed d\u1ee5ng m\u1ea1ng 4G nh\u01b0ng \u0111i\u1ec7n tho\u1ea1i l\u1ea1i hi\u1ec3n th\u1ecb bi\u1ec3u t\u01b0\u1ee3ng h\u00ecnh ch\u1eef E, th\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 t\u1ed1c \u0111\u1ed9 truy c\u1eadp \u0111ang r\u1ea5t th\u1ea5p, th\u1eadm ch\u00ed b\u1ea1n s\u1ebd g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c truy c\u1eadp m\u1ea1ng.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-8.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-8-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-8-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-277629 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-8.jpg\" alt=\"h+-la-gi-8\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-8.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-8-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-8-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3>T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u khi \u0111i\u1ec7n tho\u1ea1i xu\u1ea5t hi\u1ec7n ch\u1eef E<\/h3>\n<p>Gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u1ea1ng E, m\u1ea1ng H+ l\u00e0 g\u00ec? \u0110\u1ed1i v\u1edbi m\u1ea1ng E, m\u1ea1ng n\u00e0y ch\u1ec9 cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u v\u1edbi t\u1ed1c \u0111\u1ed9 cao nh\u1ea5t l\u00e0 384 kbps. Tuy nhi\u00ean, theo kh\u1ea3o s\u00e1t t\u1eeb th\u1ef1c t\u1ebf, t\u1ed1c \u0111\u1ed9 n\u00e0y th\u1eadm ch\u00ed c\u00f2n th\u1ea5p h\u01a1n v\u00e0 th\u01b0\u1eddng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi thi\u1ebft b\u1ecb c\u0169ng nh\u01b0 \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng \u1edf th\u1eddi \u0111i\u1ec3m \u0111\u00f3.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-9.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-9-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-9-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-277630 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-9.jpg\" alt=\"h+-la-gi-9\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-9.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-9-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-9-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>V\u1eady n\u00ean, khi \u0111i\u1ec7n tho\u1ea1i hi\u1ec3n th\u1ecb ch\u1eef E, ch\u1ea5t l\u01b0\u1ee3ng truy c\u1eadp internet s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng. Th\u00f4ng th\u01b0\u1eddng, b\u1ea1n ch\u1ec9 c\u00f3 th\u1ec3 nh\u1eafn tin, \u0111\u1ecdc b\u00e1o, l\u01b0\u1edbt web\u2026 v\u1edbi m\u1ea1ng E, c\u00f2n c\u00e1c t\u00e1c v\u1ee5 y\u00eau c\u1ea7u b\u0103ng th\u00f4ng cao kh\u00e1c nh\u01b0 xem video tr\u1ef1c tuy\u1ebfn, ch\u01a1i game online\u2026 s\u1ebd kh\u00f3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u1edbi m\u1ea1ng n\u00e0y.<\/p>\n<h3>Nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng xu\u1ea5t hi\u1ec7n ch\u1eef E<\/h3>\n<p>Nguy\u00ean nh\u00e2n khi\u1ebfn cho \u0111i\u1ec7n tho\u1ea1i xu\u1ea5t hi\u1ec7n ch\u1eef E tr\u00ean m\u1ea1ng 4G c\u00f3 th\u1ec3 xu\u1ea5t ph\u00e1t t\u1eeb:<\/p>\n<h4>Nguy\u00ean nh\u00e2n<\/h4>\n<ul>\n<li style=\"font-weight: 400;\">SIM ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng h\u1ed7 tr\u1ee3 chu\u1ea9n m\u1ea1ng 4G: Khi \u0111\u00f3, \u0111i\u1ec7n tho\u1ea1i s\u1ebd t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n sang chu\u1ea9n k\u1ebft n\u1ed1i th\u1ea5p h\u01a1n.<\/li>\n<li style=\"font-weight: 400;\">K\u1ebft n\u1ed1i m\u1ea1ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh: Khi k\u1ebft n\u1ed1i b\u1ecb gi\u00e1n \u0111o\u1ea1n ho\u1eb7c kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, \u0111i\u1ec7n tho\u1ea1i s\u1ebd t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n sang m\u1ea1ng E ho\u1eb7c m\u1ea1ng th\u1ea5p h\u01a1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh truy\u1ec1n t\u1ea3i di\u1ec5n ra m\u1ed9t c\u00e1ch li\u00ean t\u1ee5c.<\/li>\n<li style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 s\u00f3ng 4G: N\u1ebfu b\u1ea1n di chuy\u1ec3n \u0111\u1ebfn khu v\u1ef1c kh\u00f4ng c\u00f3 s\u00f3ng 4G hay 3G, \u0111i\u1ec7n tho\u1ea1i s\u1ebd t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n sang m\u1ea1ng kh\u1ea3 d\u1ee5ng nh\u01b0 E.<\/li>\n<\/ul>\n<h4>C\u00e1ch kh\u1eafc ph\u1ee5c<\/h4>\n<p>B\u1ea1n c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c v\u1edbi m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p sau:<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><strong>Ki\u1ec3m tra l\u1ea1i k\u1ebft n\u1ed1i m\u1ea1ng<\/strong>: B\u1ea1n c\u00f3 th\u1ec3 ki\u1ec3m tra l\u1ea1i t\u00ecnh tr\u1ea1ng t\u00edn hi\u1ec7u c\u1ee7a \u0111i\u1ec7n tho\u1ea1i, b\u1eadt\/t\u1eaft ch\u1ebf \u0111\u1ed9 m\u00e1y bay, kh\u1edfi \u0111\u1ed9ng l\u1ea1i\u2026 \u0111\u1ec3 xem k\u1ebft n\u1ed1i m\u1ea1ng c\u00f3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n nh\u01b0 ban \u0111\u1ea7u hay kh\u00f4ng.<\/li>\n<li style=\"font-weight: 400;\"><strong>Ki\u1ec3m tra c\u1ea5u h\u00ecnh APN<\/strong>: C\u1ea5u h\u00ecnh n\u00e0y th\u01b0\u1eddng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c nh\u00e0 m\u1ea1ng ri\u00eang. V\u1eady n\u00ean, h\u00e3y ki\u1ec3m tra xem m\u00ecnh \u0111\u00e3 c\u00e0i \u0111\u00fang APN c\u1ee7a nh\u00e0 m\u1ea1ng t\u01b0\u01a1ng \u1ee9ng hay ch\u01b0a.<\/li>\n<li style=\"font-weight: 400;\"><strong>Ki\u1ec3m tra \u0111i\u1ec7n tho\u1ea1i<\/strong>: H\u00e3y ki\u1ec3m tra th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ec3 xem \u0111i\u1ec7n tho\u1ea1i b\u1ea1n d\u00f9ng \u0111ang h\u1ed7 tr\u1ee3 nh\u1eefng chu\u1ea9n k\u1ebft n\u1ed1i m\u1ea1ng n\u00e0o. N\u1ebfu nh\u01b0 \u0111i\u1ec7n tho\u1ea1i \u0111\u00f3 kh\u00f4ng h\u1ed7 tr\u1ee3 4G, b\u1ea1n s\u1ebd ph\u1ea3i d\u00f9ng 3G ho\u1eb7c nh\u1eefng chu\u1ea9n k\u1ebft n\u1ed1i th\u1ea5p h\u01a1n. Ngo\u00e0i ra, \u0111\u1eebng qu\u00ean ki\u1ec3m tra xem SIM b\u1ea1n \u0111ang d\u00f9ng c\u00f3 ph\u1ea3i l\u00e0 4G hay kh\u00f4ng v\u00e0 th\u1ef1c hi\u1ec7n chuy\u1ec3n \u0111\u1ed5i n\u1ebfu c\u1ea7n.<\/li>\n<\/ul>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-10.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-10-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-10-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-277631 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-10.jpg\" alt=\"h+-la-gi-10\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-10.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-10-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-10-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><strong>\u0110\u1ebfn khu v\u1ef1c c\u00f3 t\u00edn hi\u1ec7u t\u1ed1t h\u01a1n<\/strong>: N\u1ebfu b\u1ea1n nh\u1eadn th\u1ea5y t\u00edn hi\u1ec7u 4G \u0111ang b\u1ecb y\u1ebfu, b\u1ea1n c\u00f3 th\u1ec3 di chuy\u1ec3n \u0111\u1ebfn n\u01a1i c\u00f3 t\u00edn hi\u1ec7u t\u1ed1t h\u01a1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh.<\/li>\n<li style=\"font-weight: 400;\"><strong>Li\u00ean h\u1ec7 v\u1edbi \u0111\u01a1n v\u1ecb cung c\u1ea5p d\u1ecbch v\u1ee5<\/strong>: Trong tr\u01b0\u1eddng h\u1ee3p b\u1ea1n \u0111\u00e3 th\u1eed m\u1ecdi c\u00e1ch tr\u00ean m\u00e0 v\u1eabn kh\u00f4ng kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c t\u00ecnh tr\u1ea1ng hi\u1ec7n ch\u1eef E tr\u00ean m\u1ea1ng 4G, b\u1ea1n c\u00f3 th\u1ec3 li\u00ean h\u1ec7 v\u1edbi \u0111\u01a1n v\u1ecb cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 m\u1ed9t c\u00e1ch t\u1ed1t nh\u1ea5t.<\/li>\n<\/ul>\n<h2>\u0110i\u1ec7n tho\u1ea1i hi\u1ec3n th\u1ecb ch\u1eef H+ l\u00e0 g\u00ec? Kh\u1eafc ph\u1ee5c nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p>V\u1eady, n\u1ebfu \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n hi\u1ec3n th\u1ecb ch\u1eef H+ th\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 g\u00ec? C\u1ea7n l\u00e0m g\u00ec \u0111\u1ec3 kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng \u0111\u00f3? C\u00f9ng t\u00ecm hi\u1ec3u t\u1ea1i \u0111\u00e2y:<\/p>\n<h3>\u0110i\u1ec7n tho\u1ea1i hi\u1ec3n th\u1ecb ch\u1eef H+ l\u00e0 g\u00ec?<\/h3>\n<p>Nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean, H+ l\u00e0 t\u1eeb vi\u1ebft t\u1eaft c\u1ee7a m\u1ea1ng HSPA+ (hay High Speed Packet Access Plus). Khi \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n hi\u1ec3n th\u1ecb k\u00fd hi\u1ec7u H+, t\u1ee9c l\u00e0 \u0111i\u1ec7n tho\u1ea1i \u0111ang k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng H+ v\u00e0 s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 truy\u1ec1n d\u1eef li\u1ec7u v\u1edbi t\u1ed1c \u0111\u1ed9 truy c\u1eadp nhanh h\u01a1n so v\u1edbi m\u1ea1ng 3G truy\u1ec1n th\u1ed1ng.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-11.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-11-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-11-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-277632 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-11.jpg\" alt=\"h+-la-gi-11\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-11.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-11-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-11-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>Tuy nhi\u00ean, so v\u1edbi m\u1ea1ng 4G, t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u c\u1ee7a H+ v\u1eabn kh\u00f4ng th\u1ec3 s\u00e1nh b\u1eb1ng. V\u1eady n\u00ean, ch\u1eef H+ s\u1ebd th\u01b0\u1eddng hi\u1ec3n th\u1ecb khi \u0111i\u1ec7n tho\u1ea1i \u1edf trong khu v\u1ef1c kh\u00f4ng c\u00f3 4G ho\u1eb7c v\u00ec l\u00fd do n\u00e0o \u0111\u00f3 m\u00e0 m\u1ea1ng 4G kh\u00f4ng kh\u1ea3 d\u1ee5ng.<\/p>\n<h3>T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u khi \u0111i\u1ec7n tho\u1ea1i hi\u1ec3n th\u1ecb H+ l\u00e0 g\u00ec?<\/h3>\n<p>M\u1ea1ng H+ c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1i \u0111a l\u00e0 42 Mbps, t\u1ed1c \u0111\u1ed9 t\u1ea3i l\u00ean l\u00e0 11 Mbps v\u00e0 t\u1ed1c \u0111\u1ed9 t\u1ea3i xu\u1ed1ng l\u00e0 42 Mbps. Tuy nhi\u00ean, tr\u00ean th\u1ef1c t\u1ebf th\u00ec t\u1ed1c \u0111\u1ed9 n\u00e0y c\u00f3 th\u1ec3 th\u1ea5p h\u01a1n v\u00e0 \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0: s\u1ee9c m\u1ea1nh t\u00edn hi\u1ec7u m\u1ea1ng, \u0111\u1ed9 ph\u1ee7 s\u00f3ng c\u1ee7a m\u1ea1ng v\u00e0 m\u1eadt \u0111\u1ed9 ng\u01b0\u1eddi d\u00f9ng\u2026<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-12.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-12-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-12-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-277633 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-12.jpg\" alt=\"h+-la-gi-12\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-12.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-12-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-12-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3>Nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng hi\u1ec3n th\u1ecb ch\u1eef H+ l\u00e0 g\u00ec?<\/h3>\n<p>Nguy\u00ean nh\u00e2n \u0111i\u1ec7n tho\u1ea1i hi\u1ec3n th\u1ecb ch\u1eef H+ c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb:<\/p>\n<h4>Nguy\u00ean nh\u00e2n hi\u1ec3n th\u1ecb H+ l\u00e0 g\u00ec?<\/h4>\n<p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 hi\u1ec7n t\u01b0\u1ee3ng hi\u1ec3n th\u1ecb ch\u1eef E, nguy\u00ean nh\u00e2n khi\u1ebfn \u0111i\u1ec7n tho\u1ea1i xu\u1ea5t hi\u1ec7n ch\u1eef H+ c\u00f3 th\u1ec3 l\u00e0 v\u00ec:<\/p>\n<ul>\n<li style=\"font-weight: 400;\"><strong>Khu v\u1ef1c kh\u00f4ng c\u00f3 m\u1ea1ng 4G<\/strong>: \u0110i\u1ec7n tho\u1ea1i s\u1ebd t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n sang chu\u1ea9n H+ n\u1ebfu nh\u01b0 b\u1ea1n \u1edf trong khu v\u1ef1c kh\u00f4ng c\u00f3 m\u1ea1ng 4G.<\/li>\n<li style=\"font-weight: 400;\"><strong>T\u00edn hi\u1ec7u c\u1ee7a m\u1ea1ng 4G y\u1ebfu<\/strong>: Khi m\u1ea1ng 4G c\u00f3 t\u00edn hi\u1ec7u y\u1ebfu, kh\u00f4ng kh\u1ea3 d\u1ee5ng ho\u1eb7c kh\u00f4ng \u1ed5n \u0111\u1ecbnh, \u0111i\u1ec7n tho\u1ea1i s\u1ebd t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n sang ch\u1ebf \u0111\u1ed9 H+ \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh k\u1ebft n\u1ed1i v\u00e0 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u lu\u00f4n \u0111\u01b0\u1ee3c duy tr\u00ec li\u00ean t\u1ee5c.<\/li>\n<li style=\"font-weight: 400;\"><strong>Sai c\u1ea5u h\u00ecnh<\/strong>: \u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng kh\u1ea3 d\u1ee5ng v\u1edbi m\u1ea1ng 4G ho\u1eb7c b\u1ecb c\u1ea5u h\u00ecnh sai c\u00e1ch, \u0111i\u1ec7n tho\u1ea1i c\u00f3 th\u1ec3 s\u1ebd t\u1ef1 chuy\u1ec3n sang k\u1ebft n\u1ed1i H+.<\/li>\n<\/ul>\n<h4>C\u00e1ch kh\u1eafc ph\u1ee5c<\/h4>\n<p>V\u1eady, c\u00e1ch kh\u1eafc ph\u1ee5c hi\u1ec7n t\u01b0\u1ee3ng \u0111i\u1ec7n tho\u1ea1i hi\u1ec3n th\u1ecb ch\u1eef H+ l\u00e0 g\u00ec? D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 g\u1ee3i \u00fd m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o:<\/p>\n<ul>\n<li style=\"font-weight: 400;\">\u0110i\u1ec3m tra \u0111\u1ecba \u0111i\u1ec3m c\u00f3 s\u1eb5n m\u1ea1ng 4G hay kh\u00f4ng, n\u1ebfu kh\u00f4ng, \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 s\u1ebd chuy\u1ec3n sang k\u1ebft n\u1ed1i v\u1edbi H+.<\/li>\n<li style=\"font-weight: 400;\">Ki\u1ec3m tra xem SIM b\u1ea1n \u0111ang d\u00f9ng c\u00f3 ph\u1ea3i lo\u1ea1i SIM 4G hay kh\u00f4ng, n\u1ebfu kh\u00f4ng, b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n sang SIM 4G \u0111\u1ec3 s\u1eed d\u1ee5ng k\u1ebft n\u1ed1i m\u1ea1ng n\u00e0y.<\/li>\n<\/ul>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-13.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-13-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2023\/10\/h-la-gi-13-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-277634 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-13.jpg\" alt=\"h+-la-gi-13\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-13.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-13-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi-13-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<ul>\n<li style=\"font-weight: 400;\">Ki\u1ec3m tra t\u00edn hi\u1ec7u 4G c\u00f3 b\u1ecb y\u1ebfu hay kh\u00f4ng. N\u1ebfu c\u00f3, b\u1ea1n n\u00ean di chuy\u1ec3n \u0111\u1ebfn m\u1ed9t v\u1ecb tr\u00ed c\u00f3 t\u00edn hi\u1ec7u m\u1ea1nh h\u01a1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh.<\/li>\n<li style=\"font-weight: 400;\">Ki\u1ec3m tra xem \u0111i\u1ec7n tho\u1ea1i c\u1ee7a b\u1ea1n c\u00f3 h\u1ed7 tr\u1ee3 m\u1ea1ng 4G hay kh\u00f4ng, hay \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang hay ch\u01b0a v\u00e0 ch\u1ec9nh s\u1eeda n\u1ebfu c\u00f3.<\/li>\n<li style=\"font-weight: 400;\">Ki\u1ec3m tra APN c\u1ee7a m\u1ea1ng b\u1ea1n \u0111ang s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1eafc ch\u1eafn r\u1eb1ng n\u00f3 \u0111ang \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang \u0111\u1ec3 c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng 4G.<\/li>\n<li style=\"font-weight: 400;\">N\u1ebfu \u0111\u00e3 th\u1ef1c hi\u1ec7n t\u1ea5t c\u1ea3 c\u00e1c bi\u1ec7n ph\u00e1p tr\u00ean m\u00e0 v\u1eabn kh\u00f4ng t\u00ecm ra nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c, b\u1ea1n n\u00ean li\u00ean h\u1ec7 v\u1edbi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 m\u1ea1ng di \u0111\u1ed9ng \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 t\u1ed1t nh\u1ea5t.<\/li>\n<\/ul>\n<p>Nh\u01b0 v\u1eady, b\u00e0i vi\u1ebft tr\u00ean \u0111\u00e3 gi\u00fap b\u1ea1n n\u1eafm r\u00f5 H+ l\u00e0 g\u00ec, E l\u00e0 g\u00ec v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c khi \u0111i\u1ec7n tho\u1ea1i hi\u1ec3n th\u1ecb ch\u1eef E, ch\u1eef H+. Hy v\u1ecdng b\u00e0i vi\u1ebft s\u1ebd h\u1eefu \u00edch v\u00e0 \u0111\u1eebng qu\u00ean \u0111\u1ec3 l\u1ea1i c\u00e2u h\u1ecfi b\u00ean d\u01b0\u1edbi n\u1ebfu c\u00f3 b\u1ea5t c\u1ee9 th\u1eafc m\u1eafc n\u00e0o c\u1ea7n gi\u1ea3i \u0111\u00e1p nh\u00e9!<\/p>\n<p>Xem th\u00eam:<\/p>\n<ul>\n<li class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/lte\/\">M\u1ea1ng LTE l\u00e0 g\u00ec? M\u1ea1ng LTE v\u00e0 4G c\u00f3 gi\u1ed1ng nhau kh\u00f4ng?<\/a><\/li>\n<li class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/tong-hop-cac-cach-chia-se-4g-nhanh-cho-iphone-va-android\/\">T\u1ed5ng h\u1ee3p c\u00e1c c\u00e1ch chia s\u1ebb 4G nhanh cho iPhone v\u00e0 Android<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Khi truy c\u1eadp v\u00e0o internet b\u1eb1ng 4G, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft g\u1eb7p t\u00ecnh tr\u1ea1ng m\u1ea1ng b\u1ecb \u0111\u1ed5i th\u00e0nh H+, H, E\u2026 \u0110i\u1ec1u n\u00e0y s\u1ebd l\u00e0m gi\u1ea3m t\u1ed1c \u0111\u1ed9 truy c\u1eadp v\u00e0 g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m c\u1ee7a b\u1ea1n. V\u1eady, H+ l\u00e0 g\u00ec, v\u00ec sao m\u1ea1ng 4G l\u1ea1i hi\u1ec7n ch\u1eef H+, E\u2026? H\u00e3y c\u00f9ng Ho\u00e0ng [&hellip;]<\/p>\n","protected":false},"author":97,"featured_media":277621,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29235,3910],"tags":[],"class_list":["post-275998","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goc-to-mo","category-kham-pha"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>H+ l\u00e0 g\u00ec? T\u1ea1i sao m\u1ea1ng 4G hi\u1ec7n ch\u1eef H+ hay hi\u1ec7n ch\u1eef E?<\/title>\n<meta name=\"description\" content=\"Khi truy c\u1eadp v\u00e0o internet b\u1eb1ng 4G, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft g\u1eb7p t\u00ecnh tr\u1ea1ng m\u1ea1ng b\u1ecb \u0111\u1ed5i th\u00e0nh H+, H, E\u2026 V\u1eady, H+ l\u00e0 g\u00ec, E l\u00e0 g\u00ec? C\u00f9ng t\u00ecm hi\u1ec3u t\u1ea1i \u0111\u00e2y.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/h-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H+ l\u00e0 g\u00ec? T\u1ea1i sao m\u1ea1ng 4G hi\u1ec7n ch\u1eef H+ hay hi\u1ec7n ch\u1eef E?\" \/>\n<meta property=\"og:description\" content=\"Khi truy c\u1eadp v\u00e0o internet b\u1eb1ng 4G, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft g\u1eb7p t\u00ecnh tr\u1ea1ng m\u1ea1ng b\u1ecb \u0111\u1ed5i th\u00e0nh H+, H, E\u2026 V\u1eady, H+ l\u00e0 g\u00ec, E l\u00e0 g\u00ec? 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T\u1ea1i sao m\u1ea1ng 4G hi\u1ec7n ch\u1eef H+ hay hi\u1ec7n ch\u1eef E?\",\"datePublished\":\"2023-10-28T13:45:00+00:00\",\"dateModified\":\"2023-10-28T13:45:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/hoanghamobile.com\/tin-tuc\/h-la-gi\/\"},\"wordCount\":3176,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/hoanghamobile.com\/tin-tuc\/#organization\"},\"image\":{\"@id\":\"https:\/\/hoanghamobile.com\/tin-tuc\/h-la-gi\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2023\/10\/h-la-gi.jpg\",\"articleSection\":[\"G\u00f3c t\u00f2 m\u00f2\",\"Kh\u00e1m Ph\u00e1\"],\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/hoanghamobile.com\/tin-tuc\/h-la-gi\/#respond\"]}],\"copyrightYear\":\"2023\",\"copyrightHolder\":{\"@id\":\"https:\/\/hoanghamobile.com\/tin-tuc\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/hoanghamobile.com\/tin-tuc\/h-la-gi\/\",\"url\":\"https:\/\/hoanghamobile.com\/tin-tuc\/h-la-gi\/\",\"name\":\"H+ l\u00e0 g\u00ec? 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