How to set the number of iphone5s SMS center?

1, dial *5005*7672*+86 SMS center number # with iPhone.

2. Delete SMS center number: dial ##5005*7672#3 with iPhone.

3. Inquire about the set SMS center number: dial *#5005*7672# with iPhone.

Information center number:

The number of the information center is the short message server. If it is not filled in correctly, the SMS cannot be sent successfully. Each region has its own information center number. Many mobile phones produced now do not need to be entered by themselves. If you are not clear, you can ask the local network operator, Mobile 10086, Unicom 100 10.

The setting procedure is: press the menu key to find "Short Message", then select the function setting of short message service by scrolling key, press the OK key, and then select "Short Message Service Center". The "SMS Service Center Number" will be displayed and entered.