Description:
The following error message appears while updating or reinstall your device's iOS:
- "libusbrestore error:[errror number]"
- "cannot copy preflight options"
Solution:
Updating or reinstalling iOS is mostly handled directly by Apple drivers on your computer and by your device. If the operation fails with one of the above errors, please refer to Apple's Support article on iOS update and reinstalls errors.
And if that does not help, don't hesitate to contact us. For optimal support, please mention the following information:
- iOS Version of the iPhone or iPad
- iOS Version of the update you are installing
- Windows or macOS version
- Precise error message
- Precise workflow in iMazing
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