Hard reset Oppo A57

OS: Android 6 (Marshmallow); ColorOS 3

CPU: Octa-core 1.4 GHz Cortex-A53

Display: 5.2" inc

Camera: 13 MP, Single

For Hard reset Oppo A57 use following steps

1. To perform the Hard Reset procedure (reset to factory settings), you must turn off the power of the smartphone

2. Hold down the Volume Up and Power buttons for a few seconds

3. Release the keys when the OPPO logo appears on the screen

4. Choose English

5. Select "wipe data / factory reset", the Volume Up / Down keys are used to navigate the menus, and the Power key is used to confirm the selection

6. Select "yes" and press the Power button