Open up your settings. Go to System > Advanced > Reset Options > Erase All Data (Factory Reset) > Reset Phone. You may need to enter a password or PIN. Finally, tap Erase Everything.

How do you hard reset an Android phone?

Turn off the phone and then press and hold the Volume Up key and Power key simultaneously until the Android system recover screen appears. Use the Volume Down key to highlight the “wipe data/factory reset” option and then use the Power button to make the selection.

Does a factory reset delete everything?

When you do a factory reset on your Android device, it erases all the data on your device. It is similar to the concept of formatting a computer hard drive, which deletes all the pointers to your data, so the computer no longer knows where the data is stored.