iPadOS 27.2.1 (24B156) for iPad Air 4 (WiFi) iPad Air 4 (WiFi)

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✓ This firmware is signed. This means that you can 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 (10 GiB)

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPad Air 4 (WiFi) in to your PC.
  3. Open Apple Devices, 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_27.2.1_24B156_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_27.2.1_24B156_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_27.2.1_24B156_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_27.2.1_24B156_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 08d8d002d0317895c7890a563c47611544e887e8. 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_27.2.1_24B156_Restore.ipsw
  3. The output of the command should match the following checksum: 08d8d002d0317895c7890a563c47611544e887e8. 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_27.2.1_24B156_Restore.ipsw
  3. The output of the command should match the following checksum: 08d8d002d0317895c7890a563c47611544e887e8. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum80f4550ad27078bf9ca75d40b40973f63a472b4c7903439dfdb1148946117ddc
MD5sum37a1ec7cd97a6e5bd422ff21bf35594b
SHA1sum08d8d002d0317895c7890a563c47611544e887e8
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update provides bug fixes and security updates for your iPad.

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

https://support.apple.com/100100

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