OPPO Reno8 5G
Android 12.0
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 arrow right. 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
Press the Side key.
At the same time, press the Top volume key.
Press and drag the circle downwards.