IPSW Downloads

macOS 27.0.1 - 26A434 for MacBook Pro

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
IdentifierMacBookPro18,4

Installation Instructions

Windows

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

macOS

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

Linux

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