iOS 9.2.1 (13D15) for iPad Air 2 (Cellular)

iPad Air 2 (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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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 2 (Cellular) in to your PC.
  3. Open Apple Devices, and navigate to your iPad Air 2 (Cellular).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPad5,4_9.2.1_13D15_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPad Air 2 (Cellular) to reboot.

macOS

  1. Plug your iPad Air 2 (Cellular) in to your Mac.
  2. Navigate to your iPad Air 2 (Cellular) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPad5,4_9.2.1_13D15_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPad Air 2 (Cellular) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPad Air 2 (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 iPad5,4_9.2.1_13D15_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPad Air 2 (Cellular) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad5,4_9.2.1_13D15_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 29443fa607d1651e52667cf7409e6bf67911fd71. 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 iPad5,4_9.2.1_13D15_Restore.ipsw
  3. The output of the command should match the following checksum: 29443fa607d1651e52667cf7409e6bf67911fd71. 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 iPad5,4_9.2.1_13D15_Restore.ipsw
  3. The output of the command should match the following checksum: 29443fa607d1651e52667cf7409e6bf67911fd71. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum6114c6dc3fdf5c77d1c3bb1e0cc32e397315c842a3780f94c7e0aff9fdcf8c8c
MD5sum6114c6dc3fdf5c77d1c3bb1e0cc32e397315c842a3780f94c7e0aff9fdcf8c8c
SHA1sum29443fa607d1651e52667cf7409e6bf67911fd71
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 9.2.1

This update contains security updates and bug fixes including a fix for an issue that could prevent the completion of app installation when using an MDM server.

For information on the security content of this update, please visit this website:   

https://support.apple.com/HT20122

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