IPSW Downloads

macOS 27.0.1 - 26A434 for MacBook Air

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

Release Date28 September 2026
Upload Date24 September 2026
File NameUniversalMac_27.0.1_26A434_Restore.ipsw
File Size24.81 GB
SHA256sum2f016638293c3e641b8b25391a76fbc16563b3711915a5551cf8aa0f5598a5c1
MD5sum4b8c55bbeefa2aebe3a112f89822ecc4
SHA1sum7e020710acade1911309aa73901ed5a92790bafc
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_27.0.1_26A434_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_27.0.1_26A434_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_27.0.1_26A434_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your MacBook Air to reboot.