IPSW Downloads

macOS 15.1.1 - 24B91 for MacBook Air

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
IdentifierMacBookAir10,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your MacBook Air to your PC.
  3. Open iTunes and navigate to your MacBook Air.
  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 MacBook Air to reboot.

macOS

  1. Connect your MacBook Air to your Mac.
  2. Navigate to your MacBook Air 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 MacBook Air to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your MacBook Air 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 MacBook Air to reboot.