iOS 5.1.1 (9B206) 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 DateApril 27, 2012
FilenameiPhone3,1_5.1.1_9B206_Restore.ipsw
Filesize783 MiB
MD5suma4f25b2af99580f1e69c8277d0208237
SHA1sumee79420677fd12d1f11181ddb1e775f64d426a7c
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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