What if the SMS function is turned off?

1、? No or wrong SMS center number is set, just reset it; ?

2、? The signal is weak, there is no signal or the battery of the mobile phone is insufficient, which leads to the abnormal transmission of information; ?

3、? The sending format is incorrect. If you send a short message to PHS users, you need to add the area code before the number. ?

4、? Whether the SMS Inbox and Outbox are full. ?

5、? I suggest you restart or change your mobile phone to test it. ?

6. If all the above have been tried, but it still doesn't work, call customer service. Call Unicom 100 10 and Mobile 10086, and ask them to activate the SMS function for you.

Chinese name: SMS function

Interpretation of Chinese SMS: SMS protocol supported by mobile phone

Classification: SMS, EMS and MMS.

Group sending function: a message can be sent to multiple users at the same time.