Device Guides
Samsung Galaxy S4
How to
Turning my mobile phone on and off
Follow these easy instructions to turn your mobile phone on and off. Remember, you need to insert your SIM and battery into your mobile phone before you turn it on.
List view
1. Turn on your mobile phone
Tap On/Off until your mobile phone is turned on.
2. Enter PIN
If required, key in your PIN and tap OK.
If your SIM is rejected:
Contact your mobile phone store or your service provider.
If your SIM is rejected:
Contact your mobile phone store or your service provider.
The PIN is used to protect your SIM from unauthorised use.
If you enter an incorrect PIN three times in a row, your SIM will be blocked.
If you enter an incorrect PIN three times in a row, your SIM will be blocked.
3. Turn off your mobile phone
Tap and hold On/Off.
Tap Power off.
Tap OK.
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