Released on September 19, 2014, this 4.7" screen iPhone is the smaller version of the iPhone 6 Plus.

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Touch Screen Unresponsive Majority of Time

I have a 64gb iphone 6. I've had it jailbroken in the past, maybe around ios8, upgraded to ios9 around september. I had it network unlocked around november/december and it seems like ever since then it gradually became unresponsive. When its unlocked, it opens up apps on its own, types on its own, etc. As if the screen is being touched all over, and then it abruptly becomes unresponsive to my touch all around. Now it's to the point where I can only control for a few seconds/minutes, if ever. I've tried hard resets, soft resets, setting it up as a new phone and everything. I know it's definitely a software issue, how do I go about fixing this? Thanks in advance.

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Nope. Not a software issue. This is actually a hardware issue that can be caused either by a faulty screen, water damage on phone (where the digitizer connector is or the touch ic being water damaged too).

The symptoms you are having seem to be pointing to the Touch IC component on the logic board being faulty.

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iPhone 6 Plus and to a lesser extent iPhone 6 are very prone to touch controller failure.

In other words, if it is out of warranty (otherwise take it to an Apple Store or Apple Certified Service Center), a new known good screen does not solve the issue, and there is no liquid damage in the phone, then the touch controller is probably failing. Could be some other part of the touch circuit, but intermittent usually means the touch IC (or controller) itself.

You'd want to keep backing up your phone as the touch function may stop completely at any time in that case.

Replacing the touch controller on the board is not a DYI project. The repair can easily kill the phone if not done properly using the right tools, skill, and experience.

If it turns out to be that, you can check my profile for a link to a website with reputed microsoldering experts who can repair it for you. This way you can find one near you, or take it to your local repair shop if they perform this kind of repair or subcontract it to someone else who does. Beware of newbies, it is a delicate procedure.

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