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.
Read MoreIn 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
Read MoreWith the aide of schematics, board views and donor parts these repairs are often feasible and much cheaper then the alternative which would involve replacing the whole motherboard, which sometimes can compromise the data on the device, rendering the information unreadable.
Read MoreWhen working on cell phones for data recovery getting the phone fully functional is not needed. Often times from liquid damage issues such as not charging or no backlight will be present.
Read MoreA blown back light on an iPhone 6 is typically caused by a screen replacement gone wrong or a sudden drop on the phone which can damage some of the components on the backlight circuit.
Lets take a look at the back light circuit and evaluate the possible issues and solutions to this problem.
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