IPSW Downloads

iPadOS 17.1 - 21B74 for iPad Air 4th Gen (WiFi)

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

Release Date25 October 2023
Upload Date15 October 2023
File NameiPad_Fall_2020_17.1_21B74_Restore.ipsw
File Size6.85 GB
SHA256suma04e548afa8b9e43e60f77728715405d550b0286edf57dfc717329ab4dfa984a
MD5sum8c62e6ab93fdc84ae43361970ed860ff
SHA1sum9786da749e89638078687f15d4b030695e01a62b
IdentifieriPad13,1

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPad Air 4th Gen (WiFi) to your PC.
  3. Open iTunes and navigate to your iPad Air 4th Gen (WiFi).
  4. Hold the Shift key and click "Restore".
  5. Select the iPad_Fall_2020_17.1_21B74_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPad Air 4th Gen (WiFi) to reboot.

macOS

  1. Connect your iPad Air 4th Gen (WiFi) to your Mac.
  2. Navigate to your iPad Air 4th Gen (WiFi) in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPad_Fall_2020_17.1_21B74_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPad Air 4th Gen (WiFi) to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPad Air 4th Gen (WiFi) 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_Fall_2020_17.1_21B74_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPad Air 4th Gen (WiFi) to reboot.