Long screw damage can be caused on many different devices such as the iPhone 5S, iPhone SE, iPhone 6/6S and 7 series. Each model has different locations for possible long screw damage. Depending on the model of the iPhone long screw damage can range in severity from "basic" problems such as no backlight, no service or much bigger problems such as no image, or no boot caused by a 1v8 short.

Testing for Tristar charging issues

In order to determine if the Tristar IC is functioning properly, test the voltage of the battery terminal--after you confirm that the phone is pulling amps using the ammeter

iPhone 6 Plus Touch Disease Repairs

Do you own an iPhone 6 Plus and suffer from no touch or flashing gray lines? Have you tried to bring your phone to a repair shop and they were unable to fix the problem. The repair process involves disassembling the iPhone and removing the motherboard to access the touch IC's that reside on the back of the logic board.