OPPO A57 4G
Android 12.0
Step 2 of 5
Enter your PIN
If you're asked to key in your PIN, do so and press arrow right.
Step 5 of 5
Turn off your phone
Press and drag the circle downwards.
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.
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. You can get the PUK by calling customer services on 191 from a Vodafone mobile phone. If you're using a land line, you need to dial 03333 040 191. 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 Vodafone.
3 Turn off your phone
Press the Side key.
Simultaneously, press and hold the Top volume key and keep them both pressed.
Press and drag the circle downwards.
