There is an alerts when iPhone 6 is turned on, the iPhone 6 shows red temperature warning, "iPhone needs to cool down before you can use it". It's dangerous, we need to fix it.
First disassemble the iPhone 6 by phone opening tools, carefully remove the iPhone logic board.
Second, check iPhone schematic diagram on WUXINJI Dongle.
Third, measure the iPhone logic board with DC power supply, the boot current is normal without any leakage or large current.
Fourth, when we're going to measure the thermistor, we find that the component R1310 is missing. Remove the new thermistor from other damaged logic board, then apply some solder paste and use QUICK 861DW hot air
station to solder it to the same place.
Fifth, measure it again with DC power supply, the data it normal.
Finally, install the iPhone, press the iPhone power button, now the iPhone has not warned the temperature is too high, smoothly into the iOS, and all functions using normal.


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