macOS 12.6 (21G115) for MacBook Pro (M1 Max, 16-inch, 2021)

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MacBook Pro (M1 Max, 16-inch, 2021)

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

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Download (13 GiB)

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your MacBook Pro (M1 Max, 16-inch, 2021) in to your PC.
  3. Open Apple Devices, and navigate to your MacBook Pro (M1 Max, 16-inch, 2021).
  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 MacBook Pro (M1 Max, 16-inch, 2021) to reboot.

macOS

  1. Plug your MacBook Pro (M1 Max, 16-inch, 2021) in to your Mac.
  2. Navigate to your MacBook Pro (M1 Max, 16-inch, 2021) 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 MacBook Pro (M1 Max, 16-inch, 2021) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your MacBook Pro (M1 Max, 16-inch, 2021) 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 MacBook Pro (M1 Max, 16-inch, 2021) 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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