Samsung Galaxy Tab S9+
Setting date and time
It's important that the date and time are correct as some tablet functions won't work.
Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press General management.
Press Date and time.
Press the indicator next to "Automatic date and time" to turn on the function.
Press the indicator next to "Automatic time zone" to turn on the function.
Press the Home key to return to the home screen.