iphone 6 plus touch screen failure

The root of iPhone 6 plus touch screen is failure lies with touch IC chips on the mother board. So why we have touch IC problem see more in iPhone 6 plus. Most probably the answer is iPhone 6 plus board design. Or the other fault which we can guess is both touch ic chip on iPhone 6 plus are not under fill. iPhone 6 plus touch screen failure caused by two ic chip named as meson u2402 and cumulus u2401. if there are no lines on the lcd and just the touch is not working this is caused by meson chip, and if there are lines on the lcd it is controlled by cumulus ic. A good repair on iPhone 6 plus touch screen failure is to replace both mason and cumulus ic. Below picture from our repair shop you can see both iPhone 6 plus touch screen ics taken our from board. [caption id="attachment_300" align="aligncenter" width="300"] iPhone 6 plus touch screen failure[/caption]

Why iPhone 6 plus have touch screen problem?

We have read many blogs about iPhone 6 plus touch screen failure. But most of them are from non technical bloggers. They will recommend you to clean the lcd screen or restart iPhone or reset or restore the iPhone. None of these will ever fix the iPhone 6 plus touch problem. The problem starts with iPhone 6 plus logic board design. The PCB is thin and no under fill on the both ic chip. Any fall or shock or drop of iPhone 6 plus make one of the small joints of the chip to the board came off and touch ic stop working. The solder balls underneath ic chip can also come off because of the oxidation and contamination.

Does reflow work on iPhone 6 plus touch ic?

Reflowing ic  can make touch work temporarily but it is not a permanent solution. We have to replace with touch ic and this is very skilled job. You have to have right tools and expertise to carryout this repair or your iPhone will go dead forever. Applefix hamilton at 85/a victoria street hamilton has fully equiped workshop and highly trained technicians to carry out iPhone 6 plus touch screen failure repair.