iOS 5.1.1 (9B208) for iPhone 4 (GSM)

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

Upload DateMay 25, 2012
FilenameiPhone3,1_5.1.1_9B208_Restore.ipsw
Filesize784 MiB
SHA256sumd3368791fe396923a500d1cfc5692e8e7ba90a6362cc972726af280694aab25b
MD5sum89d5c926c7e4c2fba4d31c55cc25b8bf
SHA1sum1209f57051f675d0328c08a894b073589f9eeb20
IdentifieriPhone3,1

iOS 5.1.1 Release Notes

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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