1 Turn on your phone
Press On/Off until your phone is turned on.
2 Enter PIN
Key in your PIN and press OK.
3 SIM rejected
If your phone rejects your SIM:
Contact your distributor or service provider where you bought your phone.
Contact your distributor or service provider where you bought your phone.
![Samsung Galaxy Ace Samsung Galaxy Ace](http://wmstatic.global.ssl.fastly.net/ml/7290921-2151679.png?width=480&height=480)
4 Turn off your phone
Press and hold On/Off.
Press Power off.
Press OK.