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MacBook Pro (M1, Late 2020)

macOS 11.3.1 (20E241) for MacBook Pro (M1, Late 2020)

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

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Download (13.9 GB)

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your MacBook Pro (M1, Late 2020) in to your PC.
  3. Open iTunes, and navigate to your MacBook Pro (M1, Late 2020).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the UniversalMac_11.3.1_20E241_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the MacBook Pro (M1, Late 2020) to reboot.

macOS

  1. Plug your MacBook Pro (M1, Late 2020) in to your Mac.
  2. Navigate to your MacBook Pro (M1, Late 2020) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the UniversalMac_11.3.1_20E241_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the MacBook Pro (M1, Late 2020) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your MacBook Pro (M1, Late 2020) 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_11.3.1_20E241_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the MacBook Pro (M1, Late 2020) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash UniversalMac_11.3.1_20E241_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: e6fd12bda1fd7267cad0c8189b00210ac4009a60. 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_11.3.1_20E241_Restore.ipsw
  3. The output of the command should match the following checksum: e6fd12bda1fd7267cad0c8189b00210ac4009a60. 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_11.3.1_20E241_Restore.ipsw
  3. The output of the command should match the following checksum: e6fd12bda1fd7267cad0c8189b00210ac4009a60. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 0ed07e6e1c0401f9e81f8f3a649466c40c5521ac9296f4cac9962e425ed84dfe
MD5sum 6659d47f890423c8ca043a771042c097
SHA1sum e6fd12bda1fd7267cad0c8189b00210ac4009a60
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