IPSW Downloads

macOS 11.2.1 - 20D74 for MacBook Air

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

Release Date09 February 2021
Upload Date06 February 2021
File NameUniversalMac_11.2.1_20D74_Restore.ipsw
File Size12.76 GB
SHA256sum6d16fe550707f8644abf1178d581efc6cba59ef0ff8fa9180d8736370bc99680
MD5sum2f0f899d9eb35e84faac2134c3e0754f
SHA1sume86a28704fc5e46feeaa118660bb8dece33a936d
IdentifierMacBookAir10,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your MacBook Air to your PC.
  3. Open iTunes and navigate to your MacBook Air.
  4. Hold the Shift key and click "Restore".
  5. Select the UniversalMac_11.2.1_20D74_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your MacBook Air to reboot.

macOS

  1. Connect your MacBook Air to your Mac.
  2. Navigate to your MacBook Air in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the UniversalMac_11.2.1_20D74_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your MacBook Air to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your MacBook Air to your PC.
  3. Open a terminal and navigate to the IPSW file you downloaded, e.g., cd ~/Downloads.
  4. To perform a full erase restore, type idevicerestore -e UniversalMac_11.2.1_20D74_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your MacBook Air to reboot.