声誉积分: 2.1千
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Just had a customer give me a phone which is in boot loop.
Plugged a new screen on, as the glass is broken, along with the home button and camera installed. but still the same.
So tried to restore, but get “unknown error occured (4000)”
whats the cause of this?
Thanks
声誉积分: 2.1千
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In the end, I restored it with another camera.
After the restore, put the original camera back in and it started up fine.
Either unlucky the first few times, or a coincidence with the camera swap.
Either way, it's now up and running.
这个答案有帮助吗？
声誉积分: 34.6千
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try restoring without the home button and camera connected to see if you get the same error
这个答案有帮助吗？
声誉积分: 1.7千
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Here’s a fix I found from Apple Support: https://support.apple.com/en-us/HT201263
Follow the steps provided in this support article, but remember to back up your phone before you begin: How to back up your iPhone, iPad, and iPod touch
这个答案有帮助吗？
Cant back the phone up if it’s in bootloop, and already tried DFU mode
Thanks
Sorry that didn't work for you! I'm at a loss. Good luck!
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