Navigate to (on some versions, this may be under System > Advanced > Reset options ). Tap Factory data reset .

Finally, tap Erase Everything .

Ensure you have at least 50% battery or keep the phone plugged into a charger.

To hard reset your smartphone, you can use either the hardware buttons or the settings menu. Method 1: Using Hardware Buttons (Recovery Mode) Use this method if the phone is locked or won't boot .

Use this method if your phone is frozen or you are locked out of the system.