Go to > Reset options (on some versions, this is under Backup & Reset ). Tap Erase all data (factory reset) or Factory Data Reset . Confirm by tapping Erase all data or Reset Phone . Method 3: Dial Code
: Press and hold the Volume Down and Power buttons simultaneously.
: If you have a Google account logged in, you will be prompted for those credentials after the reset (Factory Reset Protection).
Tap Confirm or Erase Everything .
: Tap Reset Phone and then choose Erase Everything to begin the process. Important Precautions