Here we go people! 1.1.3 is now achievable on your jailbroken/unlocked iPhone running firmware 1.1.1 or 1.1.2
It is recommended you uninstall ALL your previous applications on the iPhone before doing this upgrade since the application installation directory has changed in 1.1.3. Re-install them once on 1.1.3 to avoid errors and conflicts.
Note: This Jailbreak method is now outdated as Nate has not updated the issues with this method. Use this method as an alternative to this guide.
What you need:
- Download iBrickr Special 1.1.3 Jailbreak Edition from: here
- iPhone 1.1.3 Firmware