IPSW Downloads

macOS 15.3.1 - 24D70 for Mac15,9

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

Release Date10 February 2025
Upload Date05 February 2025
File NameUniversalMac_15.3.1_24D70_Restore.ipsw
File Size15.40 GB
SHA256sum559a78b75adc6bec77665b17db0e166eba326b04fc534e2a086253be92e043b0
MD5sum8bf666a8d89382b396a55d02594144eb
SHA1sumc2b5bca53c6cf475e7a2a0b6d6c0db19477d69eb
IdentifierMac15,9

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your Mac15,9 to your PC.
  3. Open iTunes and navigate to your Mac15,9.
  4. Hold the Shift key and click "Restore".
  5. Select the UniversalMac_15.3.1_24D70_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your Mac15,9 to reboot.

macOS

  1. Connect your Mac15,9 to your Mac.
  2. Navigate to your Mac15,9 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the UniversalMac_15.3.1_24D70_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your Mac15,9 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your Mac15,9 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_15.3.1_24D70_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your Mac15,9 to reboot.