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

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screen unresponsive to touch

Hi my daughter dropped her iPhone 4 s and broke the screen, i have replaced 2 screens and neither of them seem to work. The phone turns on fine, but i cannot slide to unlock or slide to power off, it seems unresponsive to finger touch....

I have done a hard reboot,

i have restored the phone from the recovery boot and plugging into iTunes, all of which have failed to make the screen touch work.

Are there any other options i can do besides take it to the Apple store :-(

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That is because screen replacement isn't that easy.

The two cables on the top of the LCD units (one cable is for Digitizer and the other for LCD Data) are very very fragile. If you bend them too much you will break them and cause them to fail.

In your case you have bent the digitizer cable too much. The ifixit manual doesn't point it out much afaik and my friend screwed is digitizer lately the same way as most people do.

I cant find the exact video but here it's also said https://www.youtube.com/watch?v=wp8wv8TY...

@7:50 - there is also an 4S video for the disassembly that you might want to check out but he doesnt show that particular reassembly part where he highlights to be cautions . this particular step is the same for the 4S.

You have to ensure that the digitizer isnt squashed pull it all the way through and be careful when bending it.

Having said that , you will probably need to throw your LCD units into the bin because you cant replace the cable and need to order new Displays.

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Hi thank you for your comments, but it isnt the screen ribbons, ive changed loads of these, im actually becoming really good lol, i can do 5 and 5s as well, the first screen i thought maybe the connectors wernt on properly so i popped them off and on again, but still no joy. hence i thought maybe i had a dud screen, ive since had the screen working on another 4s as i wanted to test it. so the issue is somewhere else :-(

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