Hard reset Oppo A91

OS: Android 9.0 (Pie); ColorOS 6.1

CPU: Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)

Display: 6.4" inc

Camera: 48 MP, Quad

For Hard reset Oppo A91 use following steps

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

2. Pressing the Volume Up and Power buttons at the same time for a few seconds

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

4. Choose English

5. From the menu sections select the item "wipe data / factory reset", the Volume Up / Down keys are used to navigate the menu, and the Power key to confirm the choice made

6. Select "yes" and press the Power button

7. Select menu item "reboot system now"

8. Hard reset done

Thomas Nilan
Smartphone Expert

Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones.