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iphone 6 unknown error 78

After updating software, iTunes gave us an error message: 'unknown error (78)'.

It also says that the software cannot be updated; it can only be restored to factory setting.

We do NOT have the photos and contacts backed up. We would like to recover/download photos and contacts BEFORE restoring to original factory setting. Any suggestion is appreciated. Thank you for your help.

Posted on Jan 6, 2022 11:18 PM

2 replies

iphone 6 unknown error 78

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