Your iPhone won’t turn on because either the software crashed and needs to be reset or restored, or a hardware problem is preventing your iPhone from turning on. In this article, we demonstrate how to fix iPhone 6 Plus won’t turn on by system restoration. We hope you enjoy our sharing.
Step 1 Function Test
We have received an iPhone 6 Plus motherboard from our customer, we found that the motherboard boot current reached to 200Am at first, and the Apple Logo displayed as normal. Then the screen shut down, and the current returned to zero without rebooting.
Step 2 Diagnosis
According to our repair experience, the iPhone booting failure is possibly caused by system crash that prevents the CPU from booting through the system, CPU poor soldering or defective NAND.
Step 3 Troubleshooting
We further troubleshoot by restoring the system, launch the iTunes and restore the system.
Step 4 Check up
After system restoration, all the function works fine through our tests. Therefore, it’s the system problem that causes the iPhone booting failure, repair completed.
Please refer to below detailed video:
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