So i change the front panel of my Iphone 6s. But the touch diden't work and when i change back to my old screen now suddenly the screen is black (but the phone works since it's responding to the charger or vibrates when use the silent button.).
Does enyone know what the problem might be? did i damage some cords or something? I change it back and forth a few times and i get the exact same problems all the time
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So if the old screen did not work but the new one did most likely the cable that connects the component that detects touch is not connected well since the only issue I think you see is no touch on new one. also you may have damaged the old screen in the removal process.
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That is what I'm suspecting. But I've been checking the LCD ribbon cable several times and it doesn't seem to help. I'm going to try and clean the socket to but is it any other cable that I should be checking extra carefully that might give you an unresponsive touch?
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If it's black/dead do a hard reset power button and home button for a long time until you see the Apple logo.
About the touch have you checked so the contact is flat and not bended? Some times I had simular problems caused by the contact isent flat so it dosent click in right
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Did you disconnect the battery when removing the screen flex cables?? Try shining a flashlight or bright light onto the screen and see if you can see a faint image, if you can the backlight IC or associated resistors may have blown. However it is possible that the LCD ribbon cable is not making proper contact, check for any bent pins or debris in the logic board socket, try cleaning it with a toothbrush and isopropyl liquid.
by rayeasom