The Solution of Apple's 5S Caller Display Problem

If Apple 5S displays an unknown number after all incoming calls, it may be caused by the fact that the caller ID function is not turned on on the mobile phone card; The solution is as follows

Detecting mobile phone cards

Install the mobile phone card to other mobile phones and test whether the incoming number can be displayed normally. If not, the caller ID function is not enabled on the mobile phone card. If you need to contact the calling card after sale, you can apply for caller ID function. Generally, the service fee for caller ID is six yuan per month.

Detection of mobile phone system

If it can be displayed normally, there is nothing wrong with the mobile phone card, but there is something wrong with the mobile phone system or hardware. System problems can be solved by restoring all settings first. If not, you can try to restart and restore the system to the factory setting state if necessary.

Mobile phone hardware detection

If it is a problem with the hardware of the mobile phone, you need to contact Apple's official after-sales service to test and repair the mobile phone.