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

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iPad 4 (WiFi)

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

macOS

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

Linux

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

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad3,4_8.1.1_12B435_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 454ff558bf3f2007b78592331a019f6d2d1bcac0. 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 iPad3,4_8.1.1_12B435_Restore.ipsw
  3. The output of the command should match the following checksum: 454ff558bf3f2007b78592331a019f6d2d1bcac0. 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 iPad3,4_8.1.1_12B435_Restore.ipsw
  3. The output of the command should match the following checksum: 454ff558bf3f2007b78592331a019f6d2d1bcac0. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumdbced2e8421898a21abd89f56c8fd7bd7453e77b75138d6495840019f432eb23
MD5sumdbced2e8421898a21abd89f56c8fd7bd7453e77b75138d6495840019f432eb23
SHA1sum454ff558bf3f2007b78592331a019f6d2d1bcac0
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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