iPadOS 17.4.1 (21E237) for iPad Air 4 (Cellular)

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iPad Air 4 (Cellular)

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

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

Download (6.9 GiB)

This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore. The instructions below are included for reference only.

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPad Air 4 (Cellular) in to your PC.
  3. Open Apple Devices, and navigate to your iPad Air 4 (Cellular).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPad_Fall_2020_17.4.1_21E237_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPad Air 4 (Cellular) to reboot.

macOS

  1. Plug your iPad Air 4 (Cellular) in to your Mac.
  2. Navigate to your iPad Air 4 (Cellular) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPad_Fall_2020_17.4.1_21E237_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPad Air 4 (Cellular) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPad Air 4 (Cellular) 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_Fall_2020_17.4.1_21E237_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPad Air 4 (Cellular) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad_Fall_2020_17.4.1_21E237_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: bb1387eac548f92cda2d5419656d7df7e280a10a. 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_Fall_2020_17.4.1_21E237_Restore.ipsw
  3. The output of the command should match the following checksum: bb1387eac548f92cda2d5419656d7df7e280a10a. 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_Fall_2020_17.4.1_21E237_Restore.ipsw
  3. The output of the command should match the following checksum: bb1387eac548f92cda2d5419656d7df7e280a10a. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum746d200a3c4b65357e6b58d8a2812ee0be2f2bf8bfc84d36be2789d40aa0cfeb
MD5sum746d200a3c4b65357e6b58d8a2812ee0be2f2bf8bfc84d36be2789d40aa0cfeb
SHA1sumbb1387eac548f92cda2d5419656d7df7e280a10a
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 bug fixes and security updates and is recommended for all users.

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

https://support.apple.com/kb/HT201222

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