macOS 15.1.1 (24B2091) for iMac (Four Ports, 24-inch, 2024)

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iMac (Four Ports, 24-inch, 2024)

✓ 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 (Four Ports, 24-inch, 2024) in to your PC.
  3. Open Apple Devices, and navigate to your iMac (Four Ports, 24-inch, 2024).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the UniversalMac_15.1.1_24B2091_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iMac (Four Ports, 24-inch, 2024) to reboot.

macOS

  1. Plug your iMac (Four Ports, 24-inch, 2024) in to your Mac.
  2. Navigate to your iMac (Four Ports, 24-inch, 2024) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the UniversalMac_15.1.1_24B2091_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iMac (Four Ports, 24-inch, 2024) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iMac (Four Ports, 24-inch, 2024) 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_15.1.1_24B2091_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iMac (Four Ports, 24-inch, 2024) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash UniversalMac_15.1.1_24B2091_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: f9c870544bc208d9574eb07d8226cd80a77e13e2. 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_15.1.1_24B2091_Restore.ipsw
  3. The output of the command should match the following checksum: f9c870544bc208d9574eb07d8226cd80a77e13e2. 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_15.1.1_24B2091_Restore.ipsw
  3. The output of the command should match the following checksum: f9c870544bc208d9574eb07d8226cd80a77e13e2. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumdc51e18a3f9e4276d1773ea62cbc88cbe485571b45a20095197a627bb6d85d48
MD5sumdc51e18a3f9e4276d1773ea62cbc88cbe485571b45a20095197a627bb6d85d48
SHA1sumf9c870544bc208d9574eb07d8226cd80a77e13e2
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