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iPhone 6s boot setting Hang Logo(white apple)fault maintenance case
Machine model: iPhone 6S
Malfunction: iPhone 6S starts to set Hang Logo(white apple)current 200
Maintenance process:
iPhone s boot setting Hang Logo(white apple)fault maintenance case Figure 1.
The customer didn’t explain it in detail, saying that it was only for use, and the stop at Fixed current 120MA was still used to remove the screen assembly.
iPhone s boot setting Hang Logo(white apple)fault maintenance case Figure 2.
Fault analysis:
According to Hang Logo(white apple), the analysis may be caused by system problems or Accessories, so the assembly is still stop at Fixed current 120 after being removed.
Maintenance process:
First, check whether there is a system problem. First,Update System found that it reported an error of 6. Rebrushing also reported an error of 6. The output progress bar didn’t run. Check that I2C bus is normal, VCC is normal, and all conditions are normal. Only Nand can be replaced for testing.
iPhone s boot setting Hang Logo(white apple)fault maintenance case Figure 3.
After replacing the progress bar, Update System is finished,iPhone 6S is turned on and Hang Logo(white apple)is fixed for fault repair.
