Apple's mobile phone shows a cellular network error.

The cellular network error is that the mobile phone cannot identify the network of the mobile phone card, and the solution is as follows:

1, network problem, users can see if it can be solved by restoring network settings.

2, mobile phone problem, Apple mobile phone baseband problem, users solve the problem through after-sales maintenance.

3, the problem of the mobile phone system, users understand that the system version upgrade has been downgraded to solve the problem.

4, the system version BUG problem. Generally, after upgrading the system version through OTA, various BUG problems will be left behind. At this time, the problem can be solved by restoring the system version.

5. Check whether the SIM card of the mobile phone is damaged. You can put the SIM card in other mobile phones and see if you can surf the Internet. If you can't surf the Internet, you need to change your SIM card.