macOS 12.2.1 (21D62) 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.

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 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_12.2.1_21D62_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_12.2.1_21D62_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_12.2.1_21D62_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_12.2.1_21D62_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: acb57f8af1cd1a62f3d1a5a0010cc18a97ff308f. 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_12.2.1_21D62_Restore.ipsw
  3. The output of the command should match the following checksum: acb57f8af1cd1a62f3d1a5a0010cc18a97ff308f. 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_12.2.1_21D62_Restore.ipsw
  3. The output of the command should match the following checksum: acb57f8af1cd1a62f3d1a5a0010cc18a97ff308f. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum0f33f36f4d01b022e71f7a3a39fc34b67000109f9ec13762f1a39984cef00a46
MD5sum0f33f36f4d01b022e71f7a3a39fc34b67000109f9ec13762f1a39984cef00a46
SHA1sumacb57f8af1cd1a62f3d1a5a0010cc18a97ff308f
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