Unlock iPhone 3GS 3.1.3 [Blacksnow Unlock Download]


If you are on the iPhone OS 3.1.3 with baseband 05.11.07 and haven’t been able to unlock your iPhone 3G and iPhone 3GS with firmware 3.1.3, then there is a good news for you , msft.guy has released a fix for blacksn0w unlocking software to unlock iPhone 3.1.3 with baseband 05.11.07.

How to Unlock 3.1.3 iPhone 3GS/iPhone 3G with Blacksn0w in Windows – Tutorial


Install OpenSSH and MobileTerminal from Cydia

Download and install WinSCP for Windows 7/Vista/XP

Step by step guide to Unlock iPhone 3GS and 3G on firmware 3.1.3


and paste it in the /tmp/ directory of iPhone using SSH and WinSCP

  • Download patched blacksn0w.dylib and put it in this /usr/lib/ directory
  • Run MobileTerminal and login via root with this command

su root


  • After logging in, enter the following command in one go

launchctl unload /System/Library/LaunchDaemons/com.apple.CommCenter.plist ; launchctl load /tmp/com.apple.CommCenter.plist ; launchctl start com.apple.CommCenter

  • If test load is successful copy this plist file com.apple.CommCenter.plist from /tmp/ iPhone directory to /System/Library/LaunchDaemons/.
  • Reboot you iPhone

Your iPhone 3GS/3G 3.1.3 is now successfully unlocked. Guide for Mac users is available here

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