Hard reset Asus Zenfone Zoom ZX551ML

OS: Android 5.0 (Lollipop), upgradable to 6.0 (Marshmallow); ZenUI

CPU: Quad-core 2.5 GHz

Display: 5.5" inc

Camera: 13 MP, Single

For Hard reset Asus Zenfone Zoom ZX551ML use following steps

1. Press the Power button and turn off your smartphone

2. Press and hold the Volume Up and Power buttons for a few seconds

3. When the Boot Mode menu appears on the phone screen, you can release the keys

4. In the menu, go to Recovery. The Volume up key can be used to navigate and the Volume Down key to confirm the selection

Android logo Asus Zenfone Zoom ZX551ML

5. Press the Volume Up and Power keys at the same time when the Android Robot logotype appears on the screen

6. You must select the "wipe data / factory reset" item, the Volume Up / Down keys are used to navigate the menu, and the Power key to confirm the selection

7. Select "yes" and confirm by pressing the Power button

8. In the menu, go to "reboot system now"

9. Factory data reset completed

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.