macOS 14.3 (23D56) 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 (14 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_14.3_23D56_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_14.3_23D56_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_14.3_23D56_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_14.3_23D56_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: ce0edf6a834e9d34898a20d2273785bb8c6401e0. 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_14.3_23D56_Restore.ipsw
  3. The output of the command should match the following checksum: ce0edf6a834e9d34898a20d2273785bb8c6401e0. 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_14.3_23D56_Restore.ipsw
  3. The output of the command should match the following checksum: ce0edf6a834e9d34898a20d2273785bb8c6401e0. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum50ee364bcbb509426d9d7273d13abea375ec7f29e1ada73ac9f0fe93f264910a
MD5sum50ee364bcbb509426d9d7273d13abea375ec7f29e1ada73ac9f0fe93f264910a
SHA1sumce0edf6a834e9d34898a20d2273785bb8c6401e0
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