hi everyone . im posting my 1st ever thread so plz help ..i recently bought galaxy gio. its upgraded to 2.3.6 but the problem is that once the screen goes black nd then i need to use it again. but it wont come to life unless i press each button available. i tried using different tech but none of them works. it just randomly comes back on and then i enter the dot pasword. is it hardware or software prob ? plz help as wot use is of this fone if it doesnt allow to quickly operate it.