Phone screen wont work

Hi! I have a samsung galaxay s3 & the screen wont work. Because today my dad & my brother were changing the phone screen cause it was broken so they had to also heat it up for atleast 1.5 hour so when they were done with that we let the phone cool down. So after that we triend to turn the phone on, we heard the sound and the lights worked but not the screen? I don't really know what to do...
Asked May 22, 2013
take it to a repair shop.
Answered May 22, 2013

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