Windows
- Install the latest version of iTunes from the Microsoft Store.
- Plug your iPad 1 in to your PC.
- Open iTunes, and navigate to your iPad 1.
- Hold the Shift key on your keyboard, and press "Restore".
- Select the
iPad1,1_5.1.1_9B206_Restore.ipsw
file that you downloaded.
- Wait for the restore to complete, and the iPad 1 to reboot.
macOS
- Plug your iPad 1 in to your Mac.
- Navigate to your iPad 1 in Finder.
- Hold the Option or Alt key on your keyboard, and press "Restore".
- Select the
iPad1,1_5.1.1_9B206_Restore.ipsw
file that you downloaded.
- Wait for the restore to complete, and the iPad 1 to reboot.
Linux
- Install idevicerestore.
- Plug your iPad 1 in to your PC.
- Open a terminal, and navigate to the IPSW file that you downloaded, e.g.
cd ~/Downloads
- To perform a full erase restore, type
idevicerestore -e iPad1,1_5.1.1_9B206_Restore.ipsw
and press enter.
- Wait for the restore to complete, and the iPad 1 to reboot.
Windows
- Open PowerShell, and navigate to the IPSW file that you downloaded, e.g.
cd Downloads
- Type
Get-FileHash iPad1,1_5.1.1_9B206_Restore.ipsw -Algorithm SHA1
- The output of the command should match the following checksum:
ad9b607439250f2337fe132890dadc4c487beca8
. If it doesn't, you may need to redownload the file.
macOS
- Open a terminal, and navigate to the IPSW file that you downloaded, e.g.
cd ~/Downloads
- Type
openssl sha1 iPad1,1_5.1.1_9B206_Restore.ipsw
- The output of the command should match the following checksum:
ad9b607439250f2337fe132890dadc4c487beca8
. If it doesn't, you may need to redownload the file.
Linux
- Open a terminal, and navigate to the IPSW file that you downloaded, e.g.
cd ~/Downloads
- Type
openssl sha1 iPad1,1_5.1.1_9B206_Restore.ipsw
- 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.
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