Find "Factory data reset"
Press Settings.
Press All.
Press Backup & reset.
Press Factory data reset.
Restore factory default settings
Press Reset phone.
Press Reset phone to confirm.
Wait a moment while the factory default settings are restored.
Follow the instructions on the display to set up your phone and prepare it for use.
Wait a moment while the factory default settings are restored.
Follow the instructions on the display to set up your phone and prepare it for use.