my ipod got screen error after i update from 4.2.1 to 5.1.1
i restore because it screen error.when i slide to unlock the ipod,somehow it very slow reponse & it dimmed,half screen open recently apps open&half of screen on the bottom still show ne locked ipod picture & it dimmed.last day, after i play skyforce game,suddenly it dead byself& can't turn on load to home screen&i restore to 5.1.1.it can restored,but i got screen error :

Video000 - YouTube

PLEASEEE HELPP...