macOS 11.2 (20D64) for Developer Transition Kit

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Developer Transition Kit

✓ This firmware is signed. This means that you can restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

Your download should begin shortly. If it does not, you can download it directly here:

Download (13 GiB)

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your Developer Transition Kit in to your PC.
  3. Open Apple Devices, and navigate to your Developer Transition Kit.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the UniversalMac_11.2_20D64_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the Developer Transition Kit to reboot.

macOS

  1. Plug your Developer Transition Kit in to your Mac.
  2. Navigate to your Developer Transition Kit in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the UniversalMac_11.2_20D64_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the Developer Transition Kit to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your Developer Transition Kit in to your PC.
  3. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  4. To perform a full erase restore, type idevicerestore -e UniversalMac_11.2_20D64_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the Developer Transition Kit to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash UniversalMac_11.2_20D64_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 7315f657df2a14b838b9d51eb49cdfff5be090e7. If it doesn't, you may need to redownload the file.

macOS

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 UniversalMac_11.2_20D64_Restore.ipsw
  3. The output of the command should match the following checksum: 7315f657df2a14b838b9d51eb49cdfff5be090e7. If it doesn't, you may need to redownload the file.

Linux

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 UniversalMac_11.2_20D64_Restore.ipsw
  3. The output of the command should match the following checksum: 7315f657df2a14b838b9d51eb49cdfff5be090e7. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum3ab9f564ef66a63ce6b7bad872cc008779d6c95757b2c077a4b48a65cf3f637f
MD5sum3ab9f564ef66a63ce6b7bad872cc008779d6c95757b2c077a4b48a65cf3f637f
SHA1sum7315f657df2a14b838b9d51eb49cdfff5be090e7
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