1. Turn on your tablet.
Press and hold On/Off until your tablet is turned on.
2. Enter your PIN
If you're asked to key in your PIN, do so and press the confirm icon.
The PIN protects your SIM from unauthorised use. If you enter an incorrect PIN three times in a row, your PIN will be blocked.
3. Turn off your tablet
Press and hold On/Off until a pop-up menu is displayed.