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Repair information and guides for the iPhone 6 Plus that was released on September 19, 2014. Model: A1522, A1524

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Screen flickering when it is get hot. Need to cool down.

Well got this refurbish unit.

Initially it flickers from the top. Usually when i heavily browsing using LTE. Using wifi usually no issues.

When flicker, touch screen does not work. I have to cool down the phone by put it infornt of aircond. Once cool (about 1 minutes ++), flickering gone. But touch not working.

To enable touch, i need to basically put my finger on the top right front panel, and another finger at the back (near apple logo) and bend it. It will work again.

Try to open and check with another screen, the problem still there, but found out the area between front panel connector and battery connector get hot.

I think that is the culprit. Anyway, what is the area get hot fucntion? maybe need to replace that?

Answered! View the answer I have this problem too

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This is a belated answer so hopefully it can be of use to folks who search for and find this question.

Touch Disease is a common failure on the iPhone 6 Plus.

At first, the phone will typically develop intermittent touch control failure. For some phones, a gray/white bar starts appearing at the top of the screen. Twisting and applying pressure in certain spots sometimes allows touch control to work for a short period of time, but eventually, the touch interface ceases to function entirely. This is colloquially known as Touch Disease. You can look at my profile for a link to a blog article on Touch Disease or search the web for more info.

If you are confident that your replacement screen is fully functional and there is no damage to the Digitizer FPC connectors on the logic board, then your phone probably suffers from Touch Disease. This is not a DIY repair.

Look for a repair shop that can do micro-soldering repairs to properly diagnose and repair your problem.

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