How to Downgrade macOS Big Sur on M1 Macs Apple Silicon 11.3 MacBook Pro & Air Mac Mini & iMac

Do you need to downgrade macOS Big Sur on your M1 Mac from 11.3 to 11.2.3? I will show you how to do it while retaining all your data! Big Sur 11.3 breaks sideloading iOS and iPad OS ipa apps! You can downgrade to 11.2.3 to get the ability back.

Do you need to downgrade to an older version of macOS Big Sur on your Apple Silicon M1 Mac? This is a how to video that goes over how to downgrade to a previous version of macOS Big Sur. I will show you how in a step-by-step process on how to downgrade macOS Big Sur from 11.3 to 11.2.3 - 11.0.1

For more info on sideloading iOS games on M1 check out Andrew Tsai's amazing channel and website! His latest video shows you how to install Big Sur 11.2.3 on an external hard drive so you can still sideload apps!. https://www.youtube.com/user/andytizer
https://www.applegamingwiki.com/wiki/Home

How to downgrade macOS Big Sur on Apple Silicon M1 Macs

Download full macOS Big Sur IPSW Install files here - https://mrmacintosh.com/apple-silicon-m1-full-macos-restore-ipsw-firmware-files-database/

I will go over how to restore macOS on your new Apple Silicon Mac Mini. Your first line of defense for installing macOS on Apple Silicon should be macOS Recovery. But if for some reason you are having problems with that you can boot your Apple Silicon Mac with a Big Sur USB installer drive. I wrote an article covering all the changes to macOS Recovery here.

mrmacintosh.com/how-to-reinstall-macos-on-your-apple-silicon-mac-everything-you-need-to-know/

Order of that you should follow for reinstalling macOS on Apple Silicon.

1. macOS Recovery
2. System Recovery – (Will boot automatically if macOS Recovery is unavailable)
3. macOS Big Sur USB Installer Drive – (External boot for macOS Installers is enabled by default on Apple Silicon)
4. Apple Configurator 2 REVIVE option – This option will reinstall macOS Recovery (retains user data on the SSD hard drive)
5. Apple Configurator 2 RESTORE option – This option will Reinstall macOS Recovery, ERASE your SSD hard drive and reinstall macOS
Apple has just posted a new articles on macOS recovery, booting to DFU mode and how to restore macOS Firmware.

Revive or restore a Mac with Apple silicon with Apple Configurator 2
Apple Silicon M1 Mac Mini
Apple Silicon M1 MacBook Air
Apple Silicon M1 MacBook Pro 13"

Supplies - (Support Mr. Macintosh with Amazon Affiliate Links) As an affiliate I earn a small commission from qualifying purchases made using the link

Anker USB C Hub Adapter, PowerExpand+ 7-in-1 USB C Hub, with 4K USB C to HDMI, 60W Power Delivery, 1Gbps Ethernet, 2 USB 3.0 Ports, SD and microSD Card Readers, for MacBook Pro and Other USB C Laptops
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Anker USB C Hub [Upgraded], 5-in-1 USB C Adapter with 4K USB C to HDMI, Ethernet Port, 3 USB 3.0 Ports, for MacBook Pro, iPad Pro
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Belkin USB-C to USB-A for older Macs
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AmazonBasics USB Type-C to USB-A 2.0 Male Charger Cable, 6 Feet (1.8 Meters), Black
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6.6ft (2m) Thunderbolt 3 Cable, 100W 20Gbps, Nylon Braided, Thunderbolt 3 to Thunderbolt 3 Cord, for Thunderbolt 3 (USB C) Hub, Adapter, Devices, 20V/5A
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Mac Transition to Apple Silicon Everything you need to know!
https://mrmacintosh.com/mac-transition-to-apple-silicon-everything-you-need-to-know-updated/

New Article How to reinstall macOS on your Apple Silicon Mac
mrmacintosh.com/how-to-reinstall-macos-on-your-apple-silicon-mac-everything-you-need-to-know/

macOS ISPW Firmware Database - Download Full macOS ISPW Files!
https://mrmacintosh.com/apple-silicon-m1-full-macos-restore-ipsw-firmware-files-database/

MacOS Big Sur Index of need to know changes! (UPDATED)
https://mrmacintosh.com/macos-big-sur-11-index-of-need-to-know-changes-links-updated/

macOS System Status (Issues) – OS, Xprotect & App Version Database
https://mrmacintosh.com/macos-system-status-version-info-for-macadmins/

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