IPSW Downloads

macOS 12.2 - 21D49 for iMac

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

Release Date26 January 2022
Upload Date23 January 2022
File NameUniversalMac_12.2_21D49_Restore.ipsw
File Size13.17 GB
SHA256sum7c8931019df2f26133f93fa4552b911d8d5dca5ccb8182e6d9aa89fa9484373d
MD5suma2f7035e46c609aa83a5fc2e1059aad4
SHA1sum0e68d7e288677a20faebf6fc8911d740c7ef21ed
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_12.2_21D49_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_12.2_21D49_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_12.2_21D49_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iMac to reboot.