Oppoa5 modification year

1. Go to the Clock app > Click the ":"icon in the upper right corner > Select Settings > Date and Time to set the 24-hour clock, and automatically determine the time and date, time zone and dual clock.

2. enter "settings > other settings > date and time", you can set the 24-hour clock, and automatically determine the time and date, time zone and dual clock.

Function introduction:

24-hour clock: The default display of mobile phone clock is 24-hour clock. If the 24-hour clock is turned off, it will be displayed as 12 hour clock.

This answer applies to all OPPO models.