macOS 13.3.1 (22E261) 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 (12 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_13.3.1_22E261_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_13.3.1_22E261_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_13.3.1_22E261_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_13.3.1_22E261_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: e8e862f31c6390f5d66c37139dc84493639e14d0. 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_13.3.1_22E261_Restore.ipsw
  3. The output of the command should match the following checksum: e8e862f31c6390f5d66c37139dc84493639e14d0. 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_13.3.1_22E261_Restore.ipsw
  3. The output of the command should match the following checksum: e8e862f31c6390f5d66c37139dc84493639e14d0. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum6e9d9b30528ec951d8a377173b355932647194c326347efc5e54ade1fe71cbc8
MD5sum6e9d9b30528ec951d8a377173b355932647194c326347efc5e54ade1fe71cbc8
SHA1sume8e862f31c6390f5d66c37139dc84493639e14d0
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