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MacBook Air (M1, Late 2020)

macOS 14.2.1 (23C71) for MacBook Air (M1, Late 2020)

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

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Download (14.5 GB)

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your MacBook Air (M1, Late 2020) in to your PC.
  3. Open iTunes, and navigate to your MacBook Air (M1, Late 2020).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the UniversalMac_14.2.1_23C71_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_14.2.1_23C71_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_14.2.1_23C71_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_14.2.1_23C71_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 99cd8a7f909957bab3a051022ace3420216f17f2. 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_14.2.1_23C71_Restore.ipsw
  3. The output of the command should match the following checksum: 99cd8a7f909957bab3a051022ace3420216f17f2. 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_14.2.1_23C71_Restore.ipsw
  3. The output of the command should match the following checksum: 99cd8a7f909957bab3a051022ace3420216f17f2. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 7e444e1a31b89b497271019537f9c8b8081d5287ecb08562a3a6ac5f3d9ec66f
MD5sum 61be6c7201166ad57b0638e03df91721
SHA1sum 99cd8a7f909957bab3a051022ace3420216f17f2
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