i-mate K-jam Smartphone "dropped phone grey lines screen" Questions

Dropped n96 and screen not workng with grey lines at bottom of screen is there any way to fix this ???? this is because your displayhas been damaged so please give your phone to a original nokia ...

...dropped it. the screen jus goes white and shows grey vertical lines instead of images. i thought it might be that the screen is broken but after a week or so, it fixes itself for about a week then it ...