First, the iphone6 touch ic repair steps are: Disassembly - Disassembly motherboard - Disassembly touch chip - touch chip patch - touch chip UV curing - Link chip and motherboard - Replace new touch ic; 2. The specific steps are as follows: The touch IC of iPhone 6 Plus is faulty and ready to be removed. 2. Remove the mainboard and start maintenance mode. ; 3. After removing the touch chip, make up the M1 pin. ; 4. After the solder joint position is coated with green oil, UV curing is carried out. ; 5. Loop the end in contact with the chip to make the chip and the motherboard reliably connected; 6. Replace the touch IC with a new one. ; 7. After the power test is turned on normally, stick the shielding paper. ; 8. Put into the back shell, screw the screw of the whole machine, no ash bar appears in the test, and the maintenance is completed. ; Special note:; Disassembly is risky. Please back up important data ！！！！ in advance