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iPad Air 4 (WiFi)

iPadOS 18.4.1 (22E252) for iPad Air 4 (WiFi)

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

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✗ This firmware is not signed. This means you cannot restore to it in iTunes. The instructions below are included for reference only.

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your iPad Air 4 (WiFi) in to your PC.
  3. Open iTunes, and navigate to your iPad Air 4 (WiFi).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPad_Fall_2020_18.4.1_22E252_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPad Air 4 (WiFi) to reboot.

macOS

  1. Plug your iPad Air 4 (WiFi) in to your Mac.
  2. Navigate to your iPad Air 4 (WiFi) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPad_Fall_2020_18.4.1_22E252_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPad Air 4 (WiFi) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPad Air 4 (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_Fall_2020_18.4.1_22E252_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPad Air 4 (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_Fall_2020_18.4.1_22E252_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: c58a81a1366f3a8c489954a3c0fe88e86873d43e. 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_18.4.1_22E252_Restore.ipsw
  3. The output of the command should match the following checksum: c58a81a1366f3a8c489954a3c0fe88e86873d43e. 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_18.4.1_22E252_Restore.ipsw
  3. The output of the command should match the following checksum: c58a81a1366f3a8c489954a3c0fe88e86873d43e. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 7ee6694c270b620fdb02677f8e09b3b0daf63e6a2d95763b7ae4f939452858f3
MD5sum 7ea5ea02cf33c0d78152a355be8fd246
SHA1sum c58a81a1366f3a8c489954a3c0fe88e86873d43e
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/100100

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