Touchscreen problems are affecting the Apple iPhone 6 and iPhone 6 Plus

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According to smartphone repair chain iFixit, older Apple iPhone 6 and Apple iPhone 6 Plus units are being hit with a problem that Apple is aware of, but refuses to consider an issue. You can read all about it on Apple's support forum where there are a number of complaints about an unresponsive touchscreen, accompanied by a horizontal flickering gray bar at the top of the screen.

The problem has been dubbed "Touch Disease" by iFixit, and many independent phone repair experts have seen it on the 2015 iPhone models. Consider the experience of New Orleans based repair expert Rami Odeh. He sees 100 iPhone 6 and iPhone 6 Plus units a month with touchscreen problems. Jason Villmer owns a board repair shop in Missouri called STS Telecom. Every week, a few more iPhone 6 and iPhone 6 Plus handsets are brought in for a touchscreen repair. He says, "This issue is widespread enough that I feel like almost every iPhone 6/6+ has a touch of it and are like ticking bombs just waiting to act up."

While Apple employees are familiar with the problem, a number of them have told owners of an affected device that Apple does not recognize the touchscreen problem as an issue. If your warranty has expired, as is quite likely, Apple will tell you that your only option is to buy a new phone.

Twisting the phone, or pushing on the screen, will provide some temporary relief. But the disease comes back, hitting even harder than before with the gray bar covering more real estate on the screen. The display then gets worse and worse until it doesn't work at all. Replacing the screen also provides only a short term fix. Eventually, the gray bar reappears on the new screen.

Repair experts have zeroed in on a pair of touchscreen controller chips located on the motherboard inside the handset. The chips turn your finger-pressing input into directions for the touchscreen to follow. Because Apple Geniuses aren't trained to work on the motherboard, taking the phone to the Apple Store is a waste of time for this problem.

Theories as to the cause of the problem have been narrowed down by most repair pros to two. One theory is the U2402 Meson Touch IC chip has a manufacturing defect. The other possibility has to do with bendgate. As the phone naturally bends, solder balls used on the motherboard start to crack and lose contact with the board. This prevents touch inputs from turning into the signals required to make the touchscreen work properly.

Most of the things that an iPhone 6 or iPhone 6 Plus owner can do to repair the issue are expensive. Buying a new phone or replacing the motherboard both come with a high price tag. It is less costly to replace the IC chips. The suggestions made by iFixit are pretty clear cut. If you still have a valid warranty, use it. If you're out of warranty, go to a repair center that handles board-level repairs and have them replace the two Touch IC chips. This could be done for less than the price of a new iPhone. And some repair centers will also reinforce the motherboard to prevent them from flexing.

To see what this issue looks like live, click on the video at the top of this story.

source: AppleSupportForum, iFixit via Forbes

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