iOS 8.1.3 (12B466) for iPad Air (Cellular)

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iPad Air (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 (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 (Cellular) in to your PC.
  3. Open Apple Devices, and navigate to your iPad Air (Cellular).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPad4,2_8.1.3_12B466_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPad Air (Cellular) to reboot.

macOS

  1. Plug your iPad Air (Cellular) in to your Mac.
  2. Navigate to your iPad Air (Cellular) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPad4,2_8.1.3_12B466_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPad Air (Cellular) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPad Air (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 iPad4,2_8.1.3_12B466_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPad Air (Cellular) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad4,2_8.1.3_12B466_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: f246641ccf15146cfb1a875fd7e265b484bcf3ba. 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 iPad4,2_8.1.3_12B466_Restore.ipsw
  3. The output of the command should match the following checksum: f246641ccf15146cfb1a875fd7e265b484bcf3ba. 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 iPad4,2_8.1.3_12B466_Restore.ipsw
  3. The output of the command should match the following checksum: f246641ccf15146cfb1a875fd7e265b484bcf3ba. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumbd05254809b538ad847c51c4a77a1c92d40e40f7f152a4aa52d3ddf932126d46
MD5sumbd05254809b538ad847c51c4a77a1c92d40e40f7f152a4aa52d3ddf932126d46
SHA1sumf246641ccf15146cfb1a875fd7e265b484bcf3ba
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 8.1.3

This release includes bug fixes, increased stability and performance improvements, including:

• Reduces the amount of storage required to perform a software update

• Fixes an issue that prevented some users from entering their Apple ID password for Messages and FaceTime

• Addresses an issue that caused Spotlight to stop displaying app results

• Fixes an issue which prevented multitasking gestures from working on iPad

• Adds new configuration options for education standardized testing

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

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

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