Open the settings option on the mobile phone desktop, enter the settings details interface, click all settings on the upper right, drop down to find the date and time, open the automatic date and time in the first column, set the date and time manually, and close the automatic time zone selection at the bottom. Then click on the manual time zone below to select the Beijing time zone.

After the setting is completed, the network time will be automatically corrected whether the mobile phone is turned off or restarted or turned off unexpectedly.