IPSW Downloads

macOS 12.3 - 21E230 for MacBook Pro

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

Release Date14 March 2022
Upload Date01 March 2022
File NameUniversalMac_12.3_21E230_Restore.ipsw
File Size12.92 GB
SHA256sum0ceb505082b254d14a7eef406b48671c0abd7c943d25fa75ea2807ea17504006
MD5sumebc5b2018be0ae7833d528f22e4d2249
SHA1sumb9e895b403586591040864d23643132c20ca7913
IdentifierMacBookPro18,3

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_12.3_21E230_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_12.3_21E230_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_12.3_21E230_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your MacBook Pro to reboot.