Huawei's mobile phone can't send information after it is restored to factory settings.

Signal problem. After Huawei's mobile phone is restarted, it will take some time to receive the signal. Mobile phones need to search for nearby signals and connect them, so it will cause the problem that information cannot be sent, so it is a signal problem. Huawei refers to Huawei mobile phones. Huawei is the name under its pinyin and brand LOGO. Huawei mobile phones mainly have the following series of products, which are introduced from high-end to low-end.