Guide to keys and sockets on mobile phone
Turn screen lock on or off
Turn silent mode on or off
Choose network mode
It's important that the date and time are correct as some phone functions won't work.
Find "Date & Time"
Tap Date & Time.
Turn on automatic update of time zone, time and date
Tap the indicator next to "Set Automatically" to turn on the function.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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