The SMS function is not available.

Explain the possible reasons in the order of failure probability: the number of SMS center is left blank or wrong, the phone is in arrears or just paid, the phone signal is not good, the number is forbidden to send SMS by the corresponding communication operator or blacklisted by itself, and the SMS function of the phone is abnormal. Solution analysis: the number of SMS center is blank or wrong.

The numbers of China Mobile, China Unicom, telecom companies and SMS centers corresponding to each city are almost different. It is suggested to dial 10086, 100 10 and 10000 respectively. The following is an example of Xiaomi mobile phone using Nanning mobile card settings:

The mobile phone is in arrears or just paid. It is recommended to restart the phone and try again after paying the arrears.

The cell phone signal is not good

It is suggested to move to a location with good signal and try to avoid the basement, elevator, outdoor and other areas.

This number is forbidden to send short messages by the corresponding communication operator or the short message object is blacklisted by itself.

According to the above corresponding customer service telephone inquiry, request recovery; Enter the SMS settings to cancel the blacklist number.

The short message function is not normal.

It is recommended to restore the factory settings. If it is not solved, the after-sales warranty of the mobile phone can be provided.