IPSW Downloads

iPadOS 15.8.4 - 19H390 for iPad Air 2 (Cellular)

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

Release Date31 March 2025
Upload Date21 March 2025
File NameiPad_64bit_TouchID_15.8.4_19H390_Restore.ipsw
File Size4.71 GB
SHA256sum0a3b515c180267df6e6a9b151b1c56807384fe9f3260a454841e5dbb530053ca
MD5sum587eef7d10870092534941ff53aee9f5
SHA1sum5bfd57c8ffe8704a341051a89a81dd847dc3bbea
IdentifieriPad5,4

Installation Instructions

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Connect your iPad Air 2 (Cellular) to your PC.
  3. Open iTunes and navigate to your iPad Air 2 (Cellular).
  4. Hold the Shift key and click "Restore".
  5. Select the iPad_64bit_TouchID_15.8.4_19H390_Restore.ipsw file you downloaded.
  6. Wait for the restore to complete and for your iPad Air 2 (Cellular) to reboot.

macOS

  1. Connect your iPad Air 2 (Cellular) to your Mac.
  2. Navigate to your iPad Air 2 (Cellular) in Finder.
  3. Hold the Option or Alt key and click "Restore".
  4. Select the iPad_64bit_TouchID_15.8.4_19H390_Restore.ipsw file you downloaded.
  5. Wait for the restore to complete and for your iPad Air 2 (Cellular) to reboot.

Linux

  1. Install idevicerestore.
  2. Connect your iPad Air 2 (Cellular) 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_64bit_TouchID_15.8.4_19H390_Restore.ipsw and press Enter.
  5. Wait for the restore to complete and for your iPad Air 2 (Cellular) to reboot.