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This is an iPhone 6 that we repaired on behalf of another store in the area. It was having problems with blue screens, and there were lines on the display.

When we took a closer look through our microscope, it was obvious that the Touch IC (the chip which deals- unsurprisingly- with touch and similar input to the display) was cracked. We also noticed small balls of solder on the board- not generally a sign that would inspire confidence in the skills of the person who worked on it.

It’s clear that either the motherboard has been massively overheated by a technician who really didn’t understand what they were doing, or it had been dropped from a significant height on to a hard surface.

Fortunately, after we’d replaced the Touch IC and removed the extraneous solder from the board, it worked fine again.

The iPhone 6’s cracked Touch IC on display

One successful repair later…