1. Keep "Time and Date" as "Automatic Setting" on iPhone.

2. First correct the time of the computer, and then connect it to the IPHONE. At this point, change the computer time or date. Please remember not to change the time zone. Time zone is still in Beijing. If you don't change the time or date, just change the time zone, the problem will still not be solved. 3. Open iTunes to synchronize once, then close iTunes and find that the time has been synchronized to the modified time or date.

4. Then change the computer's time setting to the correct time and date.

5. Repeat the third step: open iTunes to synchronize once, and then close iTunes.

Then it will be the correct time and date.

Method 2:

1, iPhone enters "General->; Date and time "and turn off automatic setting.

2. Then enter the "Mail Address Book Calendar" and set the time zone support to "Beijing".

3. Then turn on the automatic setting, when the time is not allowed.

4. Turn on the location service, enter the mobile phone's own map, let it automatically locate, and then exit.