ok, so i had my iphone and i used the &&!* out of it then it wouldnt work then i finally got it to wok and then the cable to my lcd broke and then i got a very very good replacement lcd and and it turned whit, so i used my dad's iphone screen and it was working fine then boom! white screen! and i put it back on his iphone and it was working perfectly fine and i think it may be time for a new device? please help!