Apple 4 SMS can't be sent

Apple 4 mobile phone text messages can't be sent out, which may be caused by a problem with the number of the SMS center.

Solution:

Method 1:

1. First, turn off the phone and plug the SIM card again;

2. Then open the dialing keyboard interface of iPhone, take the mobile number as an example, enter *55*7672*+861387555#, and click the dial button;

3. According to its instructions, just set a short message center number.

method 2:

1. according to the path of setting-phone-local phone number, delete the original number with 86 in the mobile phone, and then re-enter your own mobile phone number.

2. click settings-general-restore-restore keyboard dictionary.