Sixth iteration of Apple iPhone, announced on September 12, 2012. Repair of this device is similar to the previous models, requiring screwdrivers and prying tools. Available as GSM or CDMA / 16, 32, or 64 GB / Black or White.

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Bad pin on digitizer conector - iPhone 5 logic board

I have an iPhone 5 that got wet. The screen would only show a very faint image and there was no touch response from the digitizer.

I replaced the LCD/Digitizer but while I was doing so I noticed one bad pin on the logic board where the digitizer connects. My screen now lights up and looks like new, but I have no touch response.

What now, look for a new logic board? I don't think I can fix the bad pin on the logic board for the digitizer connector.

Answer this question I have this problem too

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You probably couldn't fix it yourself, but the connector socket could be replaced with precision micro soldering. And it would likely be cheaper than a new board.

However, since there may be other things wrong with it, you may want to just think about describing it as it is and selling for parts on eBay.

Feel free to contact me if you need help finding someone to look at your board.


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My friend's iPhone 5s has a similar issue: Water damage, and even though the screen works, it reacts to no touch input.

I had already installed a new front display to no avail. I could not see any damage to the connector sockets either. I then removed the logic board, and then removed the tape around the display connectors. Under there I could see a lot of residue, possibly still causing shortcuts. I have then cleaned the board with 99% isoprop alcohol as described here:

Electronics Water Damage

But that didn't help, either. Still, the touch input is dead.

I wonder if some of the electronics got fried on the board. The digitzer uses high voltage, right? I guess that (dirty) water would more likely cause a shortcut in such a case, correct? In this case, is there a way to replace those parts, likely a kind of power inverter? Or get them professionally replaced?

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No touch combined with visible corrosion at the digitizer connector---that's a great candidate for reflowing that connector to solve.


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