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Now you Mac should install the older version of the macOS Catalina. Some users have preferred to fully revert to macOS Catalina and wait for all major bugs with Big Sur to be fixed.
#Downgrade mac os big sur full
Select Reinstall macOS from Utilities > click Continue.Ģ2. The macOS Big Sur update, while full of improvements, is not without its problems: users have encountered a variety of bugs, including problems that temporarily clogged their Macs, video sorting issues, sudden slowdowns, and more. Make sure your WiFi is connected during the whole process.Ģ1. Choose the external drive with your installer as the startup disk and click Restart.Ģ0 The Mac will shut down and restart in Recovery mode. Plug the bootable installer into the Mac that you want to downgrade macOS Big Sur to macOS Catalina.ġ8 Click Apple menu > click System Preferences > click Startup Disk.ġ9.
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You will see the words Copy complete and Done appear.ġ7. Once completed, it will appear on the Terminal window. After that, Terminal will copy your installer file to your drive.
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Because macOS Big Sur is in Beta version and its unstable and buggy. You will see “Erasing Disk: 0%… 10%… 20%… 30%…100%…”ġ6. There are several reasons to Downgrade macOS Big Sur to macOS Catalina on MacBook. Please wait while erasing disk will take a few of minute. If you want to continue, type Y and then press Return. You will get a prompt that it will erase the drive. You won’t see characters appear as you fill in, you just need press Enter key after tying in the passwords.ġ5. If some of the apps you need for work crash or don’t work or you’re not enjoying the overall performance of your Macyou can downgrade back to macOS Catalina. Terminal will require you enter a password. Many Mac users have already updated to macOS 11 and encountered multiple issues caused by macOS Big Sur. Sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia –volume /Volumes/MyVolumeġ4. Copy the text that corresponds to the version of macOS Catalina you want to install into Terminal. Hold down Command + R to reboot in Recovery mode.
#Downgrade mac os big sur how to
Wait for a while and the Disk Utility will create the partition and set up the drive.ġ2. Here’s how to downgrade from Big Sur to Catalina by removing macOS 11 from your hard drive: Click on the Apple logo and select Restart from the menu. By default, your drive will be named Untitled, you could name it as Catalina or the name you want.ĩ. Click Mac OS extended (Journaled) as the formatħ. Select the root drive in the sidebar > click on Erase.ĥ. Click Applications > click Utilities > click Disk Utility (or you can press Command + spacebar and start to type Disk Utility).Ĥ. Plug in an external USB drive with enough space. Download macOS Catalina from Mac App Store but don’t click on Open when the download is finished.ģ. Back up you files before downgrading your Mac.Ģ. If you’ve updated your Mac to the latest version of macOS Big Sur, after using for a period of time and find that you prefer Catalina, here is a method you may want to know to get your Mac from macOS BIG Sur back to Catalina.ġ. How to Downgrade Your Mac from macOS Big Sur Back to Catalina?