macOS 11.4 (20F71) for iMac 24-inch (M1, Two Ports, 2021)

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iMac 24-inch (M1, Two 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, Two Ports, 2021) in to your PC.
  3. Open Apple Devices, and navigate to your iMac 24-inch (M1, Two Ports, 2021).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the UniversalMac_11.4_20F71_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iMac 24-inch (M1, Two Ports, 2021) to reboot.

macOS

  1. Plug your iMac 24-inch (M1, Two Ports, 2021) in to your Mac.
  2. Navigate to your iMac 24-inch (M1, Two Ports, 2021) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the UniversalMac_11.4_20F71_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iMac 24-inch (M1, Two Ports, 2021) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iMac 24-inch (M1, Two 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_11.4_20F71_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iMac 24-inch (M1, Two 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_11.4_20F71_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: b46f3a411413078c5235f888971faaafd371091e. 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_11.4_20F71_Restore.ipsw
  3. The output of the command should match the following checksum: b46f3a411413078c5235f888971faaafd371091e. 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_11.4_20F71_Restore.ipsw
  3. The output of the command should match the following checksum: b46f3a411413078c5235f888971faaafd371091e. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumbb92e1404a69d139653354f3ed7554aca2d9aa568a003b8db15f40a9433f3356
MD5sumbb92e1404a69d139653354f3ed7554aca2d9aa568a003b8db15f40a9433f3356
SHA1sumb46f3a411413078c5235f888971faaafd371091e
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