Xiaomi's mobile phone text message can't be sent out

Xiaomi's mobile phone text message can't be sent out The solution is as follows:

1. Click SMS, menu button, Settings, Advanced Settings and SMS Center number reset and try to call a friend to see if there is any arrears.

2. Try whether other cards plugged into Xiaomi's mobile phone can be used normally. The problem cannot be solved. Back up data, enter recovery to clear cache, user data and all data. After entering the system, do not restore the data temporarily, and try to send a text message directly.