Hard reset help ????

[ice_coffee]

MY GF broke my Uni, (twisted screen 360 degrees), I am trying to hard reset it, but whenever I press both soft keys and press reset, I am being confronted with a option screen, but I can see what it says, does anyone know what I need to press to confirm deleting all data.

[bonisalive]

0 (zero) to confirm or x to cancel hard reset process

[ice_coffee]

Thanks very much