STLVNUB Posted September 17, 2020 Share Posted September 17, 2020 (edited) making a bootable Big Sur info createinstallmedia=I you want to Install run app=If you want to ReInstall, need working Wifi BS app runs one my Late 2011 Macbook pro boots to installer All I did was rename SystemVersion.plist I made it /System/Library/SystemVersion1.plist now to do same with others While this works for the above going to rest of the way is a no-no Can't patch S/L/C plist as Installer checks for tampering, well thats what I found Edited November 28, 2020 by STLVNUB additional info 1 Link to comment Share on other sites More sharing options...
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