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iPad 2 (WiFi)

iOS 5.1.1 (9B206) for iPad 2 (WiFi)

✗ This firmware is not signed. This means you cannot restore to it in iTunes.

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✗ This firmware is not signed. This means you cannot restore to it in iTunes. The instructions below are included for reference only.

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your iPad 2 (WiFi) in to your PC.
  3. Open iTunes, and navigate to your iPad 2 (WiFi).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPad2,1_5.1.1_9B206_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPad 2 (WiFi) to reboot.

macOS

  1. Plug your iPad 2 (WiFi) in to your Mac.
  2. Navigate to your iPad 2 (WiFi) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPad2,1_5.1.1_9B206_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPad 2 (WiFi) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPad 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 iPad2,1_5.1.1_9B206_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPad 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 iPad2,1_5.1.1_9B206_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 1c3c34fedb7b41b7eeb0773c0871be05fa236fee. 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 iPad2,1_5.1.1_9B206_Restore.ipsw
  3. The output of the command should match the following checksum: 1c3c34fedb7b41b7eeb0773c0871be05fa236fee. 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 iPad2,1_5.1.1_9B206_Restore.ipsw
  3. The output of the command should match the following checksum: 1c3c34fedb7b41b7eeb0773c0871be05fa236fee. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 7b0b971e45e6b5eca50c74a3d40264ada2aabfd322b7e597313951d19c374305
MD5sum a8592e53fdbaf2e1474cb58b80ac2a4d
SHA1sum 1c3c34fedb7b41b7eeb0773c0871be05fa236fee
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 5.1.1

This update contains improvements and bug fixes, including:

  • Improves reliability of using HDR option for photos taken using the Lock Screen shortcut

  • Addresses bugs that could prevent the new iPad from switching between 2G and 3G networks

  • Fixes bugs that affected AirPlay video playback in some circumstances

  • Improved reliability for syncing Safari bookmarks and Reading List

  • Fixes an issue where 'Unable to purchase' alert could be displayed after successful purchase

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

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

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