Nokia N97 mini

Hi,

My Nokia N97 mini has touchscreen issue, it doesn't work, sometimes while randomly touching screen it does some function,
but generally it it dead. Touchscreen is new, i changed it yesterday, is there any way that itself is broken even if is new?

Thanks

i have same problem with my phone .. please help us

Attachment 31051
cheek it &post

I changed touchscreen and now it works, even if it were new it was defected