Why is my screen black but my iPhone on and functioning?
basically my iphone screen went completely black after i had changed to a brand new lcd screen and digitiser after i hooked everything up i tried to turn on my iphone but the screen remained dark i thought it wasn't turning on at first so i thought it needed some charge or something so i plugged it in to my wall charger and surprisingly the charge sound played and i was able to receive text messages and calls fine but couldn't answer any of these as the screen was completely blacked out. then i thought it might the new screen and digitiser so put the old one back on (which worked fine before) but the screen remained black. then i connected it to itunes and itunes picked up it up normally so i tried to restore it since itunes could recognise it but still after the restore i chose setup as new iphone but the screen was still blacked out so it can't be software issues im guessing it is hardware.
i tried doing and hard reset and waiting for the apple logo but still nothing just remained black it turns on but it remains black. and also when i press the sleep/power button twice the screen flashes gray for about half a second then just remains black. any solutions to this or at least an explanation
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