Asus Zenfone Selfie hard reset
- When the device is off, press (also hold) the volume down key and then press (also hold) the power key.
- After the device vibrates, release the power key (keep holding the volume down key) to enter recovery mode.
- Select “wipe data/factory reset” by volume down key (or volume up key), and then press the power key.
- Select “Yes — delete all user data” by volume down key (or volume up key), and then press the power key to start reset.
- After the reset is completed, select “reboot system now” and press the power key to reboot your device