macOS 27.0.1 (26A434) for MacBook Air (M1, Late 2020) MacBook Air (M1, Late 2020)

1 Choose a product
2 Choose a device
3 Choose a version
4 Download

✓ 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 (25 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_27.0.1_26A434_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_27.0.1_26A434_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_27.0.1_26A434_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_27.0.1_26A434_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 7e020710acade1911309aa73901ed5a92790bafc. 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_27.0.1_26A434_Restore.ipsw
  3. The output of the command should match the following checksum: 7e020710acade1911309aa73901ed5a92790bafc. 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_27.0.1_26A434_Restore.ipsw
  3. The output of the command should match the following checksum: 7e020710acade1911309aa73901ed5a92790bafc. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum2f016638293c3e641b8b25391a76fbc16563b3711915a5551cf8aa0f5598a5c1
MD5sum4b8c55bbeefa2aebe3a112f89822ecc4
SHA1sum7e020710acade1911309aa73901ed5a92790bafc
Bluesky Mastodon r/jailbreak Twitter