Turn on your device
Press On/Off until your device is turned on.
Enter PIN
Key in your PIN and press OK.
The PIN is used to protect your SIM from unauthorised use. Click here for more information about the PIN.
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.
SIM rejected
If your device rejects your SIM:
Contact your distributor or service provider where you bought your device.
Contact your distributor or service provider where you bought your device.
![Samsung Galaxy Tab 10.1 Samsung Galaxy Tab 10.1](http://wmstatic.global.ssl.fastly.net/ml/7290921-1737191.png?width=480&height=480)
Turn off your device
Press and hold On/Off.
Press Power off.
Press OK.