IPSW Downloads

macOS 13.3.1 - 22E261 for MacBook Pro

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

Release Date07 April 2023
Upload Date03 April 2023
File NameUniversalMac_13.3.1_22E261_Restore.ipsw
File Size11.85 GB
SHA256sum6e9d9b30528ec951d8a377173b355932647194c326347efc5e54ade1fe71cbc8
MD5sum238108a4bf8e47b387af0d784680c370
SHA1sume8e862f31c6390f5d66c37139dc84493639e14d0
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_13.3.1_22E261_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_13.3.1_22E261_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_13.3.1_22E261_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your MacBook Pro to reboot.