IPhone 4 black screen after screen repair but it still works?
IPhone 4 black screen after screen repair but it still works?
I just repaired my iPhone 4, replaced all the screws with new ones, in the same spot checked online and the screws are in the place they should be, I connected it all back together and the cables are placed correctly, I can switch it on, but it doesn't show any picture? It is just a blank screen if i leave it i can unlock it with my finger where the unlock bar is, and the sound works just not the picture? What is wrong do you think?
42 minutes ago - 4 days left
You might have cut a wire or damaged a piece of circuitry or something. You should take it to a repair shop.
You probably have damaged the LCD cable. That is the one of the two cables that is attached to the gray metal box at the base of the cable going into the LCD. If this box is bent it will cause the LCD to malfunction. You will probably need to replace the LCD. When installing you can only bend it very slightly maybe a few degrees. If the gray box is bent more than 10 degrees it will probably no longer work.
The second less likely possibility is that the LCD connection is not properly seated. I would try reconnecting and if that does not work the LCD needs to be replaced.
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