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MacBook Air M4: iPhone backup disconnects, Time Machine restore fails

I have a MacBook Air M4 running Tahoe 26.7 but this also happens on 27.0. I try to backup my iPhone 17PM to the Mac via Apple Original cables (tried 3 of them) but each and every attempt failed with a disconnection. I have tried all 3 cables on both USB-C ports on the Mac.


Additionally a recently completed successfully Time Machine backup fails to load back, either via TM itself or opening up the backup structure in Finder. Particularly when I try to restore/recover a ~51GB file (a virtual machine).


Of course, this looks a lot like a HW problem but I keep thinking it might be software-related.


So I decided to reach out to the community to ask if someone has observed this behaviour and, if so, what was the solution.


Thanks in advance!

-Fernando


[Edited by Moderator]

2 replies

You are on a beta version and therefor we cannot give you advice on this public forums, this will break the NDA.

No, I am not. I’m on 27.0 but the same things happened on 26.7.