IPSW Downloads

macOS 15.1.1 - 24B91 for Mac15,4

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

Release Date19 November 2024
Upload Date15 November 2024
File NameUniversalMac_15.1.1_24B91_Restore.ipsw
File Size14.67 GB
SHA256sumf94fb7f03c9fe52d573ff58db9e2c8481cec25fd1a29fe4932f60a6c8c1151e7
MD5sumbfc093317a8a9a5717123c5ffe18009c
SHA1sumb515c07a7322d27f9bc672ef40bc6e3d1b09bea3
IdentifierMac15,4

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your Mac15,4 to your PC.
  3. Open iTunes and navigate to your Mac15,4.
  4. Hold the Shift key and click "Restore".
  5. Select the UniversalMac_15.1.1_24B91_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your Mac15,4 to reboot.

macOS

  1. Connect your Mac15,4 to your Mac.
  2. Navigate to your Mac15,4 in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the UniversalMac_15.1.1_24B91_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your Mac15,4 to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your Mac15,4 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_15.1.1_24B91_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your Mac15,4 to reboot.