macOS 27.2.1 (26B7131) for iMac (24-inch, M6) iMac (24-inch, M6)

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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 (19 GiB)

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iMac (24-inch, M6) in to your PC.
  3. Open Apple Devices, and navigate to your iMac (24-inch, M6).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the UniversalMac_27.2.1_26B7131_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iMac (24-inch, M6) to reboot.

macOS

  1. Plug your iMac (24-inch, M6) in to your Mac.
  2. Navigate to your iMac (24-inch, M6) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the UniversalMac_27.2.1_26B7131_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iMac (24-inch, M6) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iMac (24-inch, M6) 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_27.2.1_26B7131_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iMac (24-inch, M6) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash UniversalMac_27.2.1_26B7131_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 9f70a928d8f5bd17bcf5a2e238174e5565fc5b36. 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_27.2.1_26B7131_Restore.ipsw
  3. The output of the command should match the following checksum: 9f70a928d8f5bd17bcf5a2e238174e5565fc5b36. 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_27.2.1_26B7131_Restore.ipsw
  3. The output of the command should match the following checksum: 9f70a928d8f5bd17bcf5a2e238174e5565fc5b36. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum14cd111aa76876e29bc448ad7c519f98c687e065172c1e30940fe4ed52b8d6a1
MD5sum8af5a4004afb744cb3fc625434cbf631
SHA1sum9f70a928d8f5bd17bcf5a2e238174e5565fc5b36
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