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Repair iPhone 6 shows white Apple logo then reboot repeatedly

When we press powerbutton, the iPhone 6 shows Apple logo, and then auto reboot. This situation has been circulating, what's going on? 

Disassemble the iPhone 6, then measure the logic eeprom IC diode data with multimeter, the results were 443 and 657,the diode data of AP_BI_EEPROM_I2C_SDA is too large, this case could be caused by iPhone 6 was dropped, the solder pad was disconnected.





Today, Vip Pro Shop Team will introduce a new method to solve this issue, solder jump wire without remove CPU, and just directly scrape the CPU and the solder jump wire.

Observe the logic board under the stereo microscope, as shown in picture 7-5-3.



Then start scraping from the upper CPU, according the size of logic board and scrap it. As shown in picture 7-5-4, 7-5-5, 7-5-6.



Find the corresponding point on the logic board, soldering jump wire and paint green UV Fluxes Oil on it. As shown in picture 7-7-7.



Please note it, when scraping the middle CPU, be sure to be more careful. If you scrape off the other lines, the consequences are serious.


After finish the jumper wire, assemble the iPhone, then power on and test it, it can boot properly and go into the IOS. The problem has been solved, the maintenance is over. As shown in picture 7-7-8


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