![When using a 2G/3G SIM card, the 4G icon appears intermittently and then my device disconnects from the mobile data network | HUAWEI Support Bangladesh When using a 2G/3G SIM card, the 4G icon appears intermittently and then my device disconnects from the mobile data network | HUAWEI Support Bangladesh](https://consumer-tkbdownload.huawei.com/ctkbfm/servlet/download/downloadServlet/H4sIAAAAAAAAAD2QzU7DMBCE38Xngnb9b06NHVflgjiUc2UnbrDUplWagADx7jhRxN5G-2lmND9kuqfh8HVL5Ikg2ZD2-tmvkhV5yuf0Ei6zTP1DF4_5Erp0hOUQgVJUaPTjre9W-jWM74Vudcu4bKTgNPLQqKjZKckQI2tE5EoUOubv57ag-2q7eANwBMVoeTVDCmO-9oc8R6MEwxlwwBK6Iffc9WGchrkUSOl8vaOq4horROvQMfBGG5AUrKiZBeOd3Alr60pQXvydN857JVGAKVkf4Zzbt_8VxmFKS7d1hX1Ffv8AyXLbaSYBAAA%3D.png)
When using a 2G/3G SIM card, the 4G icon appears intermittently and then my device disconnects from the mobile data network | HUAWEI Support Bangladesh
![My phone is not running 3G but 2G is working fine. 3G is working fine on another phone on the same sim. What can be the problem with my phone? - Quora My phone is not running 3G but 2G is working fine. 3G is working fine on another phone on the same sim. What can be the problem with my phone? - Quora](https://qph.cf2.quoracdn.net/main-qimg-7ba743ed30c19df36fbd1562ef2438cc.webp)
My phone is not running 3G but 2G is working fine. 3G is working fine on another phone on the same sim. What can be the problem with my phone? - Quora
![My phone is not running 3G but 2G is working fine. 3G is working fine on another phone on the same sim. What can be the problem with my phone? - Quora My phone is not running 3G but 2G is working fine. 3G is working fine on another phone on the same sim. What can be the problem with my phone? - Quora](https://qph.cf2.quoracdn.net/main-qimg-8a75489eaa8ed1ecb17d8fbb15176fe4.webp)