hdiutil convert /tmp/BigSur.dmg -format UDZO -o ~/Desktop/macOS_Big_Sur_11.2.1.dmg Use code with caution. Finally, clean up the temporary file left behind: rm /tmp/BigSur.dmg Use code with caution. Creating a Bootable USB Drive from the Installer
This process will take 10-20 minutes. Once completed, you'll find a file named MacOSBigSur.dmg on your desktop.
Navigate to > Utilities > Terminal , or search for Terminal using Spotlight (Cmd + Space). 2. Create a Blank Disk Image macos big sur 1121 installer dmg
: For a pre-made DMG file, some users refer to the UUByte download guide .
Setting up macOS Big Sur virtual machines in software like VMware Fusion, Parallels Desktop, or VirtualBox for testing purposes. How to Get the Official macOS Big Sur Installer hdiutil convert /tmp/BigSur
affecting certain 2016 and 2017 MacBook Pro models. This specific bug prevented some batteries from charging past 1%.
Stability: ⭐⭐☆☆☆ (2/5) Security: ⭐⭐⭐☆☆ (3/5 by today’s standards, but outdated) Once completed, you'll find a file named MacOSBigSur
Once you have the correct DMG (extracted to the .app , or mounted), you need a bootable drive for a clean install.
If you downloaded 11.2.1 previously:
Since "macOS Big Sur 11.2.1" is an older operating system version, the best feature for an installer DMG would be a that solves the common problems users face when trying to install older macOS versions today.