SOLVED:iPhone 6 warned high temperature after water damaged

The iPhone 6 was warned that its temperature is too high, which is dangerous. There are many cases of iPhone explosions, so we have to fix it. 



The failure detail is that some water accidentally got into iPhone 6, and then the iPhone 6 won't turn on. After cleaning up the iPhone 6, it can be turned on, but it shows "temperature is too high". 

Carefully disassemble the iPhone by phone opening tools, connect iPhone motherboard to DC power supply to test, the current tested is normal, and the iPhone doesn't get hot. 

Based on our repair experience, if the iPhone current is normal, but the iPhone still warns that the temperature is too high, mostly it was caused by the damage to the temperature-detecting component. In this case, you can fix it by replacing C1365, C1356 R1368 and C1322 R1390.  Open WUXINJI Dongle to check iPhone 6 bitmap, you can easily find their location.

If the iPhone is large current after test, so firstly we need to rule out the problem of large currents (please follow the method of repairing leakage). Furthermore, some iPhone 6 will show this failure with DC power supply test, but with a battery test, there's no such fault. 

One of the most common problems is the iPhone boot line. The iPhone 6 flash LED is on the boot line, and there is temperature detection signal RCAM_TO_STROBE_NTC of the flash LED leading to iPhone flash light IC. Water-damaged boot line is easy to cause iPhone short circuit and then shows high temperature warning after boot. In this case, you can fix it by replacing this boot line. 

If high temperature warning was caused by damaged iPhone flash LED, just replace it can solve this problem.

Note, the iPhone battery also will hint temperature is too high, some iPhone has high temperature warning by testing DC power supply, but it's normal to boot on a battery.


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