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

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iPhone 4S stripes on display

Hi,

I bought an iPhone with not-working screen (pretty similar to this http://www.youtube.com/watch?v=g8BiaM-_C...). I initially thought it was a display problem so I bought screen replacement and carefully replaced it, powered it up but the screen was the same. I guess it's not a display problem (as I tried a new one). I cleaned the connectors and even tried to tape the chip on LCD flex with insulating tape as someone suggested. None of it worked. Any ideas ?

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I would get a repair shop to test a reputable screen on it if says the phones ok

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6 Comments:

Could I test it with my iPhone 4 screen ? Someone said it works on 4S, just doesn't fit what's not necessary for testing ..

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Any repair shop should have a test rig for some screens so it's only a matter for them to plug it in to see if it's working!

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I've just tested both screens (the one which was originally on the iPhone and the new one) on my iPhone 4 and both worked normally so it can only be motherboard problem.

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Ah ok take a look at te pins on the motherboard were you plug in the lcd it's possible you have damaged 1 when removing or installing the screen post a pic If you can

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I've checked it twice using microscope (~300x), connector and resistors around it seem to be OK. https://www.icloud.com/photostream/#A15q...

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