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Fourth generation iPhone. Repair is straightforward, but the front glass and LCD must be replaced as a unit. GSM / 8, 16, or 32 GB capacity / Model A1332 / Black and White. This page aims to help users troubleshoot, fix, and seek help for the iPhone 4.

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iP4 Touch Screen still not working after replacing LCD

My iPhone 4 touch screen suddenly didn't work. It was never dropped.

Then I bought a new LCD (with digitizer) and replaced it, but the touch screen still has no response.

What could be the problem? I have already checked the connectivity and reinstalled it 2 times.

I am thinking of buying another LCD, but before that just want to make sure its the problem of the LCD, or if it is other problems, e.g. PCB.

Thanks.

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Look here at the Touch Solution

http://www.gsm4share.com/apple-hardware-...

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