Download iOS 5.1.1 IPSW iPhone 4 GSM

Download iOS IPSW for iPhone 4

Build: 9B206
Baseband: 04.12.01
Release date: May 7, 2012
SHA1 Hash: a03a29c4dd2016edb3da72c3e26e30fbf0f42b2f
Features, Updates, Bugfix, and Changelog of iOS :

Bug fix release and Security update of iOS 5.1.1.

  • 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

File name: iPhone3,1_5.1.1_9B206_Restore.ipsw

Download link of iOS IPSW for iPhone 4

Download firmware


Download iPhone3,1_5.1.1_9B206_Restore.ipsw

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