![]() A screw needs to have enough grip to hold firmly while not being over tightened, and to stay out of the path of other parts etc. there is at least a MECHANICAL reason for that. Posted in Cellphone Hacks, iphone hacks Tagged iphone 5s blue screen, iphone 5s boot loop, iphone error 14 & 9, repairing traces, solder traces Post navigation ![]() ![]() Since discovering and sharing the problem, they’ve had customers around the world sending in phones for repair – often at the fault of someone else trying to repair something completely different in the phone, and then using the wrong screw as they put it all back together. On average it takes them around 2 hours to do the repair, though they’ve done a few in just under an hour. They’ve managed to repair it by cutting thin strips of copper foil (the width of a human hair) and floating it into place using the surface tension of the flux they were using for soldering. is the owner of a repair outfit called iRepairNational, and he and his team spent a day trying to figure out the problem – it’s not exactly easy to spot. Guess what happens if you install either red or yellow screws into the orange spot, since your eyesight isn’t good enough to notice a 0.1mm difference? The screw will cut into the PCB and break several 50 micron traces, as shown in the picture above, causing a blue screen error on the phone. The red ones are 1.7mm long, the yellow one, 1.3mm, and the orange one, 1.2mm. You see, each of these screws is different. Most companies standardize screws in their products, but since Apple doesn’t expect you to fix a phone yourself… they may have let this one slide. If you’ve ever had to repair an iPhone for a friend, you’ll know they have a ridiculous number of screws.
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