I'm trying to install macOS Big Sur on a 2016 15" MacBook Pro using Internet Recovery (Cmd-Opt-R during boot), but I keep getting an
-5101F error, with a link to
I've tried an Ethernet connection and using Internet Sharing to create a WiFi hotspot from another Mac, but that doesn't change anything.
In addition, installing the much older macOS Sierra using Cmd-R also fails with the error
The installation information on the recovery server is damaged.
What can I do?