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

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iPad 4 (GSM)

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

macOS

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

Linux

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

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad3,5_8.1.1_12B435_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: e88ddc8dc152d60b885542e4f9e115eb69b81b77. 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 iPad3,5_8.1.1_12B435_Restore.ipsw
  3. The output of the command should match the following checksum: e88ddc8dc152d60b885542e4f9e115eb69b81b77. 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 iPad3,5_8.1.1_12B435_Restore.ipsw
  3. The output of the command should match the following checksum: e88ddc8dc152d60b885542e4f9e115eb69b81b77. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum2c79277951df5c6831ff6cf05f953591d8f8cddf50433ecaebc68abb21f54131
MD5sum2c79277951df5c6831ff6cf05f953591d8f8cddf50433ecaebc68abb21f54131
SHA1sume88ddc8dc152d60b885542e4f9e115eb69b81b77
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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