Chosen Solution

Hey guys, i recently replaced my iphone 5s screen of a parts phone about 3-4 months ago and all of a sudden i woke up and went on my phone and there was no display i connected to itunes detected fine and everything put in dfu mode reset it and tried connect connectors again but they where firm in place what could be my problem? thanks btw screen is not cracked. :)

You could have a bad LCD and should get it replaced.