Read help info
It's important that the date and time are correct as some phone functions won't work.
Find "Time and date"
Press the Navigation key.
Scroll to Settings and press the Navigation key.
Scroll to Time and date and press the Navigation key.
Set the time
Scroll to Time and key in the required time.
Set the date
Scroll to Date and key in the required date.
Press the Navigation key to save the settings.
Return to the home screen
Press Disconnect to return to the home screen.