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iPad Air 2 (WiFi)

iPadOS 15.8.4 (19H390) for iPad Air 2 (WiFi)

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

Your download should begin shortly. If it does not, you can download it directly here:

Download (5.05 GB)

Windows

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

macOS

  1. Plug your iPad Air 2 (WiFi) in to your Mac.
  2. Navigate to your iPad Air 2 (WiFi) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPad_64bit_TouchID_15.8.4_19H390_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPad Air 2 (WiFi) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPad Air 2 (WiFi) in to your PC.
  3. Open a terminal, and navigate to the IPSW file that 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 the iPad Air 2 (WiFi) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad_64bit_TouchID_15.8.4_19H390_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 5bfd57c8ffe8704a341051a89a81dd847dc3bbea. If it doesn't, you may need to redownload the file.

macOS

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPad_64bit_TouchID_15.8.4_19H390_Restore.ipsw
  3. The output of the command should match the following checksum: 5bfd57c8ffe8704a341051a89a81dd847dc3bbea. If it doesn't, you may need to redownload the file.

Linux

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPad_64bit_TouchID_15.8.4_19H390_Restore.ipsw
  3. The output of the command should match the following checksum: 5bfd57c8ffe8704a341051a89a81dd847dc3bbea. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 0a3b515c180267df6e6a9b151b1c56807384fe9f3260a454841e5dbb530053ca
MD5sum 587eef7d10870092534941ff53aee9f5
SHA1sum 5bfd57c8ffe8704a341051a89a81dd847dc3bbea
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update provides important security fixes and is recommended for all users.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/HT201222

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