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

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iPad 2 (GSM)

✗ 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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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 2 (GSM) in to your PC.
  3. Open Apple Devices, and navigate to your iPad 2 (GSM).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPad2,2_5.1.1_9B206_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPad 2 (GSM) to reboot.

macOS

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

Linux

  1. Install idevicerestore.
  2. Plug your iPad 2 (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 iPad2,2_5.1.1_9B206_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPad 2 (GSM) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad2,2_5.1.1_9B206_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: 8c94614fec35be166b648523f53368f6e7dbc22d. 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 iPad2,2_5.1.1_9B206_Restore.ipsw
  3. The output of the command should match the following checksum: 8c94614fec35be166b648523f53368f6e7dbc22d. 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 iPad2,2_5.1.1_9B206_Restore.ipsw
  3. The output of the command should match the following checksum: 8c94614fec35be166b648523f53368f6e7dbc22d. If it doesn't, you may need to redownload the file.

Checksums

SHA256sumb3a59694d6312fc681aa47a0753d129fe4692862c1332514a85c396424e3a8d5
MD5sumb3a59694d6312fc681aa47a0753d129fe4692862c1332514a85c396424e3a8d5
SHA1sum8c94614fec35be166b648523f53368f6e7dbc22d
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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