OPPO A57s
Set date and time
It's important that the date and time are correct as some phone functions won't work.
Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press System settings.
Press Date & time.
Press the indicator next to "Set time automatically" to turn on the function.
Press the indicator next to "Set time zone automatically" to turn on the function.
Press the Home key to return to the home screen.
1. 1. Find "Date & time"
2. 2. Turn on automatic date and time update
3. 3. Turn on automatic time zone update
4. 4. Return to the home screen
