macOS 12.6 (21G115) for Mac Studio (M1 Max)

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Mac Studio (M1 Max)

✓ This firmware is signed. This means that you can restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

Your download should begin shortly. If it does not, you can download it directly here:

Download (13 GiB)

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your Mac Studio (M1 Max) in to your PC.
  3. Open Apple Devices, and navigate to your Mac Studio (M1 Max).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the UniversalMac_12.6_21G115_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the Mac Studio (M1 Max) to reboot.

macOS

  1. Plug your Mac Studio (M1 Max) in to your Mac.
  2. Navigate to your Mac Studio (M1 Max) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the UniversalMac_12.6_21G115_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the Mac Studio (M1 Max) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your Mac Studio (M1 Max) in to your PC.
  3. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  4. To perform a full erase restore, type idevicerestore -e UniversalMac_12.6_21G115_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the Mac Studio (M1 Max) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash UniversalMac_12.6_21G115_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 3bae26d997c8ad246bb6ca4bd85bb8498f0680e9. If it doesn't, you may need to redownload the file.

macOS

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 UniversalMac_12.6_21G115_Restore.ipsw
  3. The output of the command should match the following checksum: 3bae26d997c8ad246bb6ca4bd85bb8498f0680e9. If it doesn't, you may need to redownload the file.

Linux

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 UniversalMac_12.6_21G115_Restore.ipsw
  3. The output of the command should match the following checksum: 3bae26d997c8ad246bb6ca4bd85bb8498f0680e9. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum5113f8d3c77fd725ea6357ced5764bc57183d2d388492c58c46ff2729d0658e5
MD5sum5113f8d3c77fd725ea6357ced5764bc57183d2d388492c58c46ff2729d0658e5
SHA1sum3bae26d997c8ad246bb6ca4bd85bb8498f0680e9
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