macOS 11.2.3 (20D91) for MacBook Air (M1, Late 2020)

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MacBook Air (M1, Late 2020)

✓ 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 MacBook Air (M1, Late 2020) in to your PC.
  3. Open Apple Devices, and navigate to your MacBook Air (M1, Late 2020).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the UniversalMac_11.2.3_20D91_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the MacBook Air (M1, Late 2020) to reboot.

macOS

  1. Plug your MacBook Air (M1, Late 2020) in to your Mac.
  2. Navigate to your MacBook Air (M1, Late 2020) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the UniversalMac_11.2.3_20D91_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the MacBook Air (M1, Late 2020) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your MacBook Air (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_11.2.3_20D91_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the MacBook Air (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_11.2.3_20D91_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 47409e45ec6d9b6a15d9a49563572914f222104e. 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_11.2.3_20D91_Restore.ipsw
  3. The output of the command should match the following checksum: 47409e45ec6d9b6a15d9a49563572914f222104e. 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_11.2.3_20D91_Restore.ipsw
  3. The output of the command should match the following checksum: 47409e45ec6d9b6a15d9a49563572914f222104e. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum3873efdc08c71af06b8d5ad1d2fda0d509746cc29e568e90732ccbe614af5a9f
MD5sum3873efdc08c71af06b8d5ad1d2fda0d509746cc29e568e90732ccbe614af5a9f
SHA1sum47409e45ec6d9b6a15d9a49563572914f222104e
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