IPSW Downloads

macOS 27.2 - 26B123 for iMac

This firmware is signed. This means that you can restore to it in iTunes.

Release Date26 October 2026
Upload Date23 October 2026
File NameUniversalMac_27.2_26B123_Restore.ipsw
File Size23.84 GB
SHA256sum6613b34e8589db2202a01ec37a2648afb141ece13428175183f8f3e38438534f
MD5sum819227d6e82c48faf880125c52ea4f95
SHA1sum617360e5619dbb424ed3774b98732bb3cfeacc0b
IdentifieriMac21,2

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iMac to your PC.
  3. Open iTunes and navigate to your iMac.
  4. Hold the Shift key and click "Restore".
  5. Select the UniversalMac_27.2_26B123_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iMac to reboot.

macOS

  1. Connect your iMac to your Mac.
  2. Navigate to your iMac in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the UniversalMac_27.2_26B123_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iMac to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iMac to your PC.
  3. Open a terminal and navigate to the IPSW file you downloaded, e.g., cd ~/Downloads.
  4. To perform a full erase restore, type idevicerestore -e UniversalMac_27.2_26B123_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iMac to reboot.