Samsung Galaxy S23 Ultra
Android 13
Select help topic
1 Turn on your phone
Press and hold the Side key until your phone is turned on.
2 Enter your PIN
If you're asked to key in your PIN, do so and press OK. The default PIN is 0000.
If an incorrect PIN is entered three times in a row, your SIM will be blocked. To unblock your SIM, you'll need to key in your PUK. The PUK can be obtained by contacting customer services. Please note: If you key in the wrong PUK ten times in a row, your SIM will be blocked permanently. In this case, you need a new SIM from Lebara.
0000
3 Turn off your phone
Slide two fingers downwards starting from the top of the screen.
Press the power off icon.
Press Power off.
Press Power off.