OPPO A78 5G
Turning your phone on and off
Before you can turn on your phone, you need to insert your SIM into your phone.
1111
Step 2 of 5
If you're asked to key in your PIN, do so and press arrow right. The default PIN is 1111.
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 EE.
Step 5 of 5
Press and drag the circle downwards.