IPSW Downloads

macOS 15.6.1 - 24G90 for Mac16,9

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

Release Date20 August 2025
Upload Date18 August 2025
File NameUniversalMac_15.6.1_24G90_Restore.ipsw
File Size15.66 GB
SHA256sum3d87686b691ac765eb6a6b3082b2334e2af9710096a00432dd519af89ff2ea78
MD5sum2c22273091d69ea84723a1f2d36332f3
SHA1suma19ba56bb931769580060647a466c5b2d09da761
IdentifierMac16,9

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your Mac16,9 to your PC.
  3. Open iTunes and navigate to your Mac16,9.
  4. Hold the Shift key and click "Restore".
  5. Select the UniversalMac_15.6.1_24G90_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your Mac16,9 to reboot.

macOS

  1. Connect your Mac16,9 to your Mac.
  2. Navigate to your Mac16,9 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the UniversalMac_15.6.1_24G90_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your Mac16,9 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your Mac16,9 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_15.6.1_24G90_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your Mac16,9 to reboot.