Where is the information option on the phone when setting the number of China Unicom SMS Center?

After choosing to enter the "Short Message" menu of the mobile phone, enter the SMS center number in the "SMS Center Number" column and press the OK button. The number will be stored on the card and does not need to be reset in the future. You can directly use short messages and various services after setting;

The method to set the SMS center number on iPhone is as follows:

1. Query method: Dial *#5005*7672# on iPhone ;

2. Setting method: Dial *5005*7672*+86 "SIM card home SMS center number"# with iPhone;

3. Delete method: Dial with iPhone ##5005*7672#.

Warm reminder: The set SMS center number is usually +86 followed by something similar to a mobile phone number. When setting the SMS center number, please re-insert and unplug the SIM card. It is recommended to delete the SMS center number first and then reset it.

The SMS center numbers vary from place to place, so you can contact the local customer service or business office for consultation.