1) I didn't re-enable SIP. Should I be doing that after blessing?
2) Already backed up my BootROM, albeit a non-vanilla version. I'll be doing that likely tomorrow sometime. Free Space already looks good, but I'm in touch with
tsialex - as he'll be checking my BootROM.
3) For whatever reason, I'm now getting "Can't install" either Big Sur or Catalina error messages. Ugh.
Beginning to wonder if I need to set the VMM flags -- I thought they didn't need messing with anymore?
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Update - Just tried changing the VMM flag on the boot drive and tried the Big Sur reinstall all over again over the original drive. No luck. Still in a boot loop that goes back to the original OC boot picker menu.