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iPhone 12 restarts repeatedly for repair
Machine model:iPhone 12
Fault phenomenon: the customer said that iPhone 12 water damage had no booting.
Repair process: after receiving iPhone 1 12, it was found that more than 200 were dropped down and cycled to restart after receiving iPhone 1 12. This current was generally caused by I2C bus problem. After Accessories was discharged, it was found that it was charging connector problem.
iPhone 12 Restart repeatedly Figure 1.
After entering the system, check restart report and it is indicated that this bus is used for vibration on i2c0 and charging connector. Remove the vibration and then buckle charging connector.You can also enter the system.
iPhone 12 Restart repeatedly Figure 2.
Remove the vibration and find corrode in BTB connector. After cleaning, install it back into the machine and repair the fault.
iPhone 12 Restart repeatedly Figure 3.
