OPPO A57s
Turn your phone on and off
Before you can turn on your phone, you need to insert your SIM into your phone.
Press and hold the Side key until your phone is turned on.
If you're asked to key in your PIN, do so and press arrow right.
Press the Side key.
Simultaneously, press and hold the Top volume key and keep them both pressed.
Press and drag the circle downwards.
1. 1. Turn on your phone
2. 2. Enter your PIN
3. 3. Turn off your phone
