iPadOS 17.4.1 (21E236) 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.

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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_21E236_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_21E236_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_21E236_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_21E236_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 2dd4f5b6e4f5ae22be5c4612aee3db98335f6cec. 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_21E236_Restore.ipsw
  3. The output of the command should match the following checksum: 2dd4f5b6e4f5ae22be5c4612aee3db98335f6cec. 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_21E236_Restore.ipsw
  3. The output of the command should match the following checksum: 2dd4f5b6e4f5ae22be5c4612aee3db98335f6cec. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum9b527e194ef18c610ec4b84580642f051bd2d50c6375e39fbd6a7b5ab06c2d57
MD5sum9b527e194ef18c610ec4b84580642f051bd2d50c6375e39fbd6a7b5ab06c2d57
SHA1sum2dd4f5b6e4f5ae22be5c4612aee3db98335f6cec
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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