Advertisements Power off the phone Press and hold # button (Green) and press Power on (Yellow) On screen you will see “All data will be lost continue?” Click Yes On screen you will see “Formatting flash, please wait…” Wait until phone reboot Alcatel One Touch 639D Hard Reset Advertisements Let us know if worked by leaving a comment :) Tagged: Alcatelfactory resetformathard resetOne Touch 639DOneTouch 639DOT- 639Drestore default settings