Hard Reset MICROMAX A57 Micromax Ninja 3
- First turn off your cell phone.
- Now press and hold Volume Up + Power button, until you see menu of Recovery mode.
- Then select option "wipe data / factory reset" with Volume buttons to scroll, and Power button to accept operation.
- Next choose option "Yes -- delete all user data".
- After that select "reboot system now".
- Good job!