please help me!i have an ipod touch 4 and not while ago it fell on floor but not from a big height it just hit a little bit on the back panel and after that the screen turned white!i turned voiceover on so i can see what im doing,i don't know what kind of screen problem is that or is it shattered how much will the repair cost!i will upload the pic but it's not the white screen of dead i can still do stuff on it!