IPSW Downloads

iPadOS 17.5.1 - 21F90 for iPad Air 3rd Gen

This firmware is not signed. This means you cannot restore to it in iTunes.

Release Date20 May 2024
Upload Date17 May 2024
File NameiPad_Spring_2019_17.5.1_21F90_Restore.ipsw
File Size7.06 GB
SHA256sum66b1316cfa8e7bc74874a5627fc015642253d6b03a61f2cda4825714a54c6811
MD5sum574199a168ef92ab876a88feed8d4845
SHA1sumf2a5799d6fb9b7a1da18474cd8eda5bf8386987e
IdentifieriPad11,4

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPad Air 3rd Gen to your PC.
  3. Open iTunes and navigate to your iPad Air 3rd Gen.
  4. Hold the Shift key and click "Restore".
  5. Select the iPad_Spring_2019_17.5.1_21F90_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPad Air 3rd Gen to reboot.

macOS

  1. Connect your iPad Air 3rd Gen to your Mac.
  2. Navigate to your iPad Air 3rd Gen in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPad_Spring_2019_17.5.1_21F90_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPad Air 3rd Gen to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPad Air 3rd Gen 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 iPad_Spring_2019_17.5.1_21F90_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPad Air 3rd Gen to reboot.