IPSW Downloads

macOS 12.5.1 - 21G83 for iMac

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

Release Date17 August 2022
Upload Date12 August 2022
File NameUniversalMac_12.5.1_21G83_Restore.ipsw
File Size13.12 GB
SHA256sum97a5c61e21e9ddf25158ec9dca67b482205f9dd311d274a1a59915b4bb042c83
MD5sum3d5f06ed500a29f29f82318e0e7fbe4b
SHA1sum478eca5466157a6eef5cdba8f75884b224c6d3f6
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_12.5.1_21G83_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_12.5.1_21G83_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_12.5.1_21G83_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iMac to reboot.