iOS 8.1.1 (12B435) for iPad 4 (Global)

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iPad 4 (Global)

✗ 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 (1.7 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 4 (Global) in to your PC.
  3. Open Apple Devices, and navigate to your iPad 4 (Global).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPad3,6_8.1.1_12B435_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPad 4 (Global) to reboot.

macOS

  1. Plug your iPad 4 (Global) in to your Mac.
  2. Navigate to your iPad 4 (Global) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPad3,6_8.1.1_12B435_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPad 4 (Global) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPad 4 (Global) 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 iPad3,6_8.1.1_12B435_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPad 4 (Global) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad3,6_8.1.1_12B435_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: d5684272f9d96f374f1f65ec74316138ecb32b23. 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 iPad3,6_8.1.1_12B435_Restore.ipsw
  3. The output of the command should match the following checksum: d5684272f9d96f374f1f65ec74316138ecb32b23. 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 iPad3,6_8.1.1_12B435_Restore.ipsw
  3. The output of the command should match the following checksum: d5684272f9d96f374f1f65ec74316138ecb32b23. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumc9c56cd52732aacc583c3b44941abb2f0a41d4b0acf0a2b2bfd71c14fc9695a0
MD5sumc9c56cd52732aacc583c3b44941abb2f0a41d4b0acf0a2b2bfd71c14fc9695a0
SHA1sumd5684272f9d96f374f1f65ec74316138ecb32b23
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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