IPSW Downloads

macOS 13.5.1 - 22G90 for iMac

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

Release Date17 August 2023
Upload Date09 August 2023
File NameUniversalMac_13.5.1_22G90_Restore.ipsw
File Size12.01 GB
SHA256sumb16966311b54aa5249cd2ee909e9854e0923c3f850e29b050614537d7abe657e
MD5sum91ba142e818d5bab5350b3cac70b0c9a
SHA1sum206a5a4b3bd80852ea1789e27e5764a56b9b11e2
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_13.5.1_22G90_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_13.5.1_22G90_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_13.5.1_22G90_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iMac to reboot.