macOS 27.0 (26A428) for Mac Studio (M5 Max) Mac Studio (M5 Max)

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✓ 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 (25 GiB)

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your Mac Studio (M5 Max) in to your PC.
  3. Open Apple Devices, and navigate to your Mac Studio (M5 Max).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the UniversalMac_27.0_26A428_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the Mac Studio (M5 Max) to reboot.

macOS

  1. Plug your Mac Studio (M5 Max) in to your Mac.
  2. Navigate to your Mac Studio (M5 Max) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the UniversalMac_27.0_26A428_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the Mac Studio (M5 Max) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your Mac Studio (M5 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_27.0_26A428_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the Mac Studio (M5 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_27.0_26A428_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 2d17f2fe0d7726dd66f0522fdb9ad162942c3f3d. 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_27.0_26A428_Restore.ipsw
  3. The output of the command should match the following checksum: 2d17f2fe0d7726dd66f0522fdb9ad162942c3f3d. 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_27.0_26A428_Restore.ipsw
  3. The output of the command should match the following checksum: 2d17f2fe0d7726dd66f0522fdb9ad162942c3f3d. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum2a5d3c695d501022b7fad9adaffcf2627bcb867d993fb5662dcd41bac99a2836
MD5sumd5a1f2c4dcb9b0ed974554c67aa6a4a1
SHA1sum2d17f2fe0d7726dd66f0522fdb9ad162942c3f3d
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