reinstall macos failed on a macbook air m1

That installation of Big Sur on the M1 devices may be a special build that does not yet exist from the Mac App Store, or on Apple's Internet servers. It has happened before.

It would be a darwin award quest to be wiping M1 devices, and attempting reinstalls at this point in time. You could end up with a brick. AppleCare as suggested.

jack1102 wrote:

Tried to install to local ssd and external drive, but still got this message: failed to personalize the software update

also tried to enter dfu mode, but failed to enter

https://discussions.apple.com/content/attachment/a188d368-452e-4cc1-b40c-f8663c0b556a

Call Customer Support (800) MY–APPLE (800–692–7753)

or call AppleCare Support at 1-800-APLCARE (800-275-2273)

or on line https://getsupport.apple.com/

I knew that. Any time now… 😎

VikingOSX wrote:

It would be a darwin award quest to be wiping M1 devices, and attempting reinstalls at this point in time. You could end up with a brick. AppleCare as suggested.

FWIW, I'm not doing that when mine arrives. :)

There's probably very few users with M1 Macs here. You might want to contact AppleCare. I won't ask why you are already reinstalling.