iOS 8.1.1 (12B436) for iPad Air 2 (WiFi)

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iPad Air 2 (WiFi)

✗ 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 (1.9 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 2 (WiFi) in to your PC.
  3. Open Apple Devices, and navigate to your iPad Air 2 (WiFi).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPad5,3_8.1.1_12B436_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPad Air 2 (WiFi) to reboot.

macOS

  1. Plug your iPad Air 2 (WiFi) in to your Mac.
  2. Navigate to your iPad Air 2 (WiFi) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPad5,3_8.1.1_12B436_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPad Air 2 (WiFi) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPad Air 2 (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 iPad5,3_8.1.1_12B436_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPad Air 2 (WiFi) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad5,3_8.1.1_12B436_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 767ebd2206c1ed17c83272dc12f9426c26cc627d. 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 iPad5,3_8.1.1_12B436_Restore.ipsw
  3. The output of the command should match the following checksum: 767ebd2206c1ed17c83272dc12f9426c26cc627d. 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 iPad5,3_8.1.1_12B436_Restore.ipsw
  3. The output of the command should match the following checksum: 767ebd2206c1ed17c83272dc12f9426c26cc627d. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum23e2f304062961ed4ddc2a5c87bbd4c335ac082b0049c1d6e47c1b70df9fb09d
MD5sum23e2f304062961ed4ddc2a5c87bbd4c335ac082b0049c1d6e47c1b70df9fb09d
SHA1sum767ebd2206c1ed17c83272dc12f9426c26cc627d
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 8.1.1

This release includes bug fixes, increased stability and performance improvements for iPad 2 and iPhone 4s.

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

http://support.apple.com/kb/HT1222

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