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Repair information and guides for the fifth generation of iPhone. Model: A1387

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Screen is on but jittery

I just installed the screen, home button & back cover. All is well. For the first few minutes it was beautiful, then the scree distorted, squishing the display to the top and showing multiple unlock screens.

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Just in case you don' have my info - this was for an iPhone 4s.

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First step would be to check that the screen cables are properly seated. Be careful here, because too much pressure can damage the connector on the logic board if it is not properly aligned. The connectors should click into place, and the EMI shield will keep them secured.

If you have a good connection and the problem persists, you most likely have a bad part or a damaged cable. It is very easy to tear it when feeding it through the housing, so be sure that the wide, folded portion of the digitizer cable is completely through the slot before securing the screen. If it does not easily reach the connectors on the logic board, DO NOT PULL ON IT! Pulling on a pinched cable will almost certainly tear it, and you'll have to start all over with a new part.

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dbgaither will be eternally grateful.
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