IPSW Downloads

macOS 26.4.1 - 25E253 for iMac

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

Release Date09 April 2026
Upload Date06 April 2026
File NameUniversalMac_26.4.1_25E253_Restore.ipsw
File Size18.38 GB
SHA256sum8aa7f7aea6b20d1839d85a0017c9a1472f26c63ad496919f85db988eb01a5c32
MD5sum3b7a661ca701ad50b80ae62cbf2e41e3
SHA1sum03078f4af82bff5473398ca49f99288c76253fe8
IdentifieriMac21,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iMac to your PC.
  3. Open iTunes and navigate to your iMac.
  4. Hold the Shift key and click "Restore".
  5. Select the UniversalMac_26.4.1_25E253_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iMac to reboot.

macOS

  1. Connect your iMac to your Mac.
  2. Navigate to your iMac in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the UniversalMac_26.4.1_25E253_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iMac to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iMac 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_26.4.1_25E253_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iMac to reboot.