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iPad 1

iOS 5.1.1 (9B206) for iPad 1

✓ This firmware is signed. This means that you can restore to it in iTunes.

Your download should begin shortly. If it does not, you can download it directly here:

Download (761 MB)

Windows

  1. Install the latest version of iTunes from the Microsoft Store.
  2. Plug your iPad 1 in to your PC.
  3. Open iTunes, and navigate to your iPad 1.
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPad1,1_5.1.1_9B206_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPad 1 to reboot.

macOS

  1. Plug your iPad 1 in to your Mac.
  2. Navigate to your iPad 1 in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPad1,1_5.1.1_9B206_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPad 1 to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPad 1 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 iPad1,1_5.1.1_9B206_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPad 1 to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad1,1_5.1.1_9B206_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: ad9b607439250f2337fe132890dadc4c487beca8. 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 iPad1,1_5.1.1_9B206_Restore.ipsw
  3. The output of the command should match the following checksum: ad9b607439250f2337fe132890dadc4c487beca8. 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 iPad1,1_5.1.1_9B206_Restore.ipsw
  3. The output of the command should match the following checksum: ad9b607439250f2337fe132890dadc4c487beca8. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum 3ced89736d6149c92d59484648e1fffcc61debeeb88e0e528dca9b288707fa18
MD5sum 859a6ded3129af1ed0d56f3e25c873a2
SHA1sum ad9b607439250f2337fe132890dadc4c487beca8
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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