Frozen "slide to unlock"

[easybake]

HEy my friend has a iphone and he jailbroke it and everything was fine, and one day his slide to unlock bar wouldn't move at all.. i looked at it and no happened, and i went to shut it off and also the "cancel" button wont work either,... idk if its dead cells or what..

i tried moving it real fast and it moved a little and went back..

[battlecrushr]

restore but first what type is it 2g? 3g? 3gs?
and does he require an unlock

[easybake]

ive tried restoring for him, three different times. and its a 3g and no passcode to get in