How to Downgrade from macOS 12 Monterey to macOS 11 Big Sur?

Searching for How to Downgrade from macOS 12 Monterey to macOS 11 Big Sur? Then you visited at the right place. Here in this article I’ve given complete information on it.

If you visited here for the first time, don’t forget to hit the Bell Icon to get the latest updates and tech solutions from OnlinePixelz. So, let’s jump into the article and learn how to do this?

To take the all-new macOS 12 attributes for a test drive, you installed the macOS 12 beta applications on your Mac device. Have a breath! In this guide, we’ll walk you through the step-by-step procedure to downgrade from macOS 12 Monterey and return to macOS 11 Big Sur.

How to Downgrade from macOS 12 Monterey to macOS 11 Big Sur (2021)

Bear in mind that downgrading your Mac will completely eliminate macOS 12 out of your hard disk. Therefore, be certain you back up your Mac if you do not wish to lose your documents, programs, files, and other significant data. You can use an external hard disk or a cloud storage support such as DropBox, iCloud, or OneDrive to store your documents. As soon as you’ve secured your data, let us move ahead with the manual!

Be Certain You Allow Booting from External Media on Macs with T2 Processor
For those who have enabled the Startup Security Utility in your Mac, make certain you’re permitted to use a bootable external drive.

1. First off, restart your Mac.

2. Now, hold down Command+R keys when the Apple logo appears on the screen. It will put your Mac into Recovery Mode.

3. Then click on “Utilities” from the Menu Bar and select Startup Security Utility.

4. Next up, you want to enter your firmware credentials and check the box to Allow booting from external media.

Notice : The firmware password differs from the administrative password and Apple ID password. Be certain you remember the right password to access the Startup Security Utility.

Create a Bootable macOS Big Sur USB Install Drive

Before downgrading your Mac and erasing macOS 12, you’ll have to download macOS 11 in the App Store. Make certain you have a copy of macOS Big Sur on an external hard disk for the simplest way to downgrade.

Erase Your Hard Drive

Now, it is time to erase the hard drive before reinstalling macOS Big Sur. Again, I would remind you about backing up your Mac before doing this radical step.

  1. To begin, ensure that your Mac is connected to a secure internet connection. Now, click on the Apple icon at the top left corner and select”Restart” in the drop-down menu.
  1. Be certain that you press the keys down until your computer reboots.
  2. Next up, click “Disk Utility” from the OS X Utilities selector. After that, click on Continue to move additional .

4. Select Your Startup Disk and then Click the”Erase” button at the top of the window.

5. Now, enter a new name to the hard disk for example Macintosh HD. After the drive has been erased, its name will change to the one you’ve just chosen. If your Mac is using HFS+, be certain that you select Mac OS Extended (Journaled) in the format list.

But if your Mac is using APFS, make certain to select APFS in the format list. If Scheme is available, select GUID Partition Map.

When the procedure is finished, you can stop the Disk Utility in the drop-down menu at the top left corner of the display to go back to the OS X Utilities selector.

It is worth pointing out that if your Mac apparatus came with macOS Big Sur pre-installed, it is possible to install macOS Big Sur effortlessly.

Also read: How to Install Safari Extensions in iOS 15 on iPhone and iPad?

Reinstall macOS Big Sur on Macs that Didn’t Come with macOS Big Sur

If your Mac device did not include macOS Big Sur, follow the steps below:

  1. Make certain your Mac is on the web. Now, plug in the bootable hard disk into your Mac. Then, click on the Apple menu at the upper left corner of the screen and select Restart in the drop-down menu.
This image has an empty alt attribute; its file name is

2. Now, hold down the Option/alt key while your computer restarts (keep pressing the Option key until the Apple logo disappears after rebooting).

3. Next, you’ll find the choice to choose a startup disk. Select your bootable USB drive with macOS Big Sur in the list of startup disk choices.

4. Next up, click continue in the setup window.

MacOS Big Sur will put in just like a standard upgrade. Do note you will have to agree to the licensing conditions prior to the program reboots in your Mac.

Restore Settings from Time Machine Backup

With a current backup of your Mac saved to Time Machine, you can bring back the stored settings without difficulty.

  1. Make certain that your Mac is connected to a secure internet connection. After that, click the Apple menu in the top left corner of the screen and select Restart.
This image has an empty alt attribute; its file name is
  1. Now, hold down Command+R keys the moment you hear the startup chime. Be certain you continue holding the keys before your computer reboots.
  2. Then select”Restore from Time Machine Backup” from the OS X Utilities selector and click “Continue”.
This image has an empty alt attribute; its file name is Click-on-Continue-1.jpg

4. Then click on Continue again. Then, pick the Backup source for where your Time Machine backup is saved.

5. Next up, click Continue and then pick the most current macOS Big Sur backup on the driveway.

Your Mac will now begin restoring from the Time Machine backup and then reboot. As the whole process is going to take a while, you’ll have to wait patiently.

Downgrade from macOS 12 Monterey and Return to macOS Big Sur Safely

So, that is the way you can downgrade from macOS 12 Monterey and return to macOS 11 Big Sur. Beta versions of software generally include bugs and unexpected troubles. That is why it’s always better to install them onto a secondary device. This way, even in case you encounter any unforeseen issues, your job will not get affected.

Anyhow, let me know your ideas on macOS 12 beta and what type of issues you faced.

[responsivevoice_button voice=”US English Female” buttontext=”Listen to Post”]

Thanks for visiting here.

Note: To Access Unlimited Disposable Temporary Emails, Click here.

Leave a Comment