Getting the is a common task for users looking to perform a clean install, create a bootable USB, or recover an older system . Released in February 2021, version 11.2.1 (Build 20D74 or 20D75) was a critical update that fixed significant battery charging issues for 2016 and 2017 MacBook Pro models. Key Features of macOS Big Sur 11.2.1
When downloading from third-party sources, always verify the SHA-256 checksum or check the code signature pkgutil --check-signature command to ensure the file hasn't been tampered with [7]. Terminal commands macos big sur 1121 installer dmg
sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/MyUSB macOS Big Sur 11