Download iOS 5.1 IPSW iPhone 4S

Download iOS IPSW for iPhone 4S

Build: 9B176
Baseband: 2.0.10
Release date: Mar 7, 2012
SHA1 Hash: 44f86c53e90a177292b4df45186cccbb12ceb1bc
Features, Updates, Bugfix, and Changelog of iOS :

Bug fix release and Security update of iOS 5.1.

  • Japanese language support for Siri (availability may be limited during initial rollout)
  • Photos can now be deleted from Photo Stream
  • Camera shortcut now always visible on Lock Screen for iPhone 4S, iPhone 4, iPhone 3GS and iPod touch (4th generation)
  • Camera face detection now highlights all detected faces
  • Redesigned Camera app for iPad
  • Genius Mixes and Genius playlists for iTunes Match subscribers
  • Audio for TV shows and movies on iPad optimized to sound louder and clearer
  • Podcast controls for playback speed and a 30 second rewind for iPad
  • Updated AT&T network indicator
  • Addresses bugs affecting battery life
  • Fixes an issue that occasionally caused audio to drop for outgoing calls

File name: iPhone4,1_5.1_9B179_Restore.ipsw

Download link of iOS IPSW for iPhone 4S

Download firmware

Download iPhone4,1_5.1_9B179_Restore.ipsw

By clicking the download link above, you are downloading the IPSW firmware file version for iPhone 4S from Apple Inc. server.