Open the Settings app
Go to Time & language
Select Date & time
Turn off Set time automatically
Click Change under Set the date and time manually
Set the correct time and date
Click Change or Save
If needed, set the correct time zone
Close Settings
Open the Settings app
Go to Time & language
Select Date & time
Turn off Set time automatically
Click Change under Set the date and time manually
Set the correct time and date
Click Change or Save
If needed, set the correct time zone
Close Settings