IPSW Downloads

iPadOS 17.1.1 - 21B91 for iPad Air 3rd Gen

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

Release Date08 November 2023
Upload Date03 November 2023
File NameiPad_Spring_2019_17.1.1_21B91_Restore.ipsw
File Size6.90 GB
SHA256sume9a52205391f9ac61531d1c7689cf90608abd816a0255675b17f2af086b60456
MD5sumfa7ad7613bbe2dd952a8f1e83c02534d
SHA1suma0517f00bd79f34953a8126af863bbd8ff1a2145
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_17.1.1_21B91_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_17.1.1_21B91_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_17.1.1_21B91_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPad Air 3rd Gen to reboot.