On 11-Aug-2021 at 3:17:54AM PDT, "Ed Norton" <nor...@nowhere.com
> Is there any simple way to replace the OS version on the recovery
> partition? I have obtained a Mac Mini 2012 that apparently shipped
> with Mountain Lion and no matter what version of the OS I update to the
> recovery partition remains Mountain Lion.
> I want to do an clean, internet restore to at least Mojave. On another
> machine running High Sierra I notice that the recovery partition offers
> 3 options for restoring over the internet: restore latest compatible
> system, restore last loaded system, and restore the system originally
> shipped. The Mountain Lion version only offers to restore Mountain
> Lion over the net.
> I am aware that I can download updates from the Apple Store, use USB
> sticks, etc, etc. but it's much simpler to just do an internet restore
> on a reformatted disk.
When I upgraded from 10.10 to 10.13, I did a new install on a new wiped drive.
Then I migrated from my old drive to the newly installed 10.13 system. That
me a APFS system with a 10.13 recovery volume.
AFAIK, just upgrading a 10.8 system to 10.13 or higher won't upgrade the
to APFS on a SSD. Of the three backup solutions I use, Carbon Copy Cloner
upgrade the recovery volume unless you're cloning the old system to a new
Then it asks for the "Install MacOS" app to extract the recovery partition on
drive. SuperDuper! doesn't do this but it's good for cloning existing drives
for my daily.
So to do your install, on a blank drive, install a new copy of 10.11 and do a
from your old drive. That should give you a current recovery volume and a APFS
DeeDee, don't press that button! DeeDee! NO! Dee...