macOS 11.5 (20G71) for iMac 24-inch (M1, Four Ports, 2021)

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iMac 24-inch (M1, Four Ports, 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 iMac 24-inch (M1, Four Ports, 2021) in to your PC.
  3. Open Apple Devices, and navigate to your iMac 24-inch (M1, Four Ports, 2021).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the UniversalMac_11.5_20G71_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iMac 24-inch (M1, Four Ports, 2021) to reboot.

macOS

  1. Plug your iMac 24-inch (M1, Four Ports, 2021) in to your Mac.
  2. Navigate to your iMac 24-inch (M1, Four Ports, 2021) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the UniversalMac_11.5_20G71_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iMac 24-inch (M1, Four Ports, 2021) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iMac 24-inch (M1, Four Ports, 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_11.5_20G71_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iMac 24-inch (M1, Four Ports, 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_11.5_20G71_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 9ab736e121472c64f8550597c77ca6077170463d. 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_11.5_20G71_Restore.ipsw
  3. The output of the command should match the following checksum: 9ab736e121472c64f8550597c77ca6077170463d. 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_11.5_20G71_Restore.ipsw
  3. The output of the command should match the following checksum: 9ab736e121472c64f8550597c77ca6077170463d. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum7f926ba7f6e536cb0a09ac7dc4ab1faf174ddb4d5344c6135aca23e75a38800a
MD5sum7f926ba7f6e536cb0a09ac7dc4ab1faf174ddb4d5344c6135aca23e75a38800a
SHA1sum9ab736e121472c64f8550597c77ca6077170463d
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