These are instructions on how to Update and Jailbreak to 1.1.3 iPhone Firmware using the Official Dev Team Method. NOTE***: I have updated the download link to the new file that is supposed to fix iTunes sync issues!
You can find the Mac version of this tutorial here: http://www.iclarified.com/entry/index.php?enid=609
A computer free Installer version of this tutorial can be found here: http://iclarified.com/entry/index.php?enid=611
To follow these instructions you need to have a 1.1.2 Jailbroken iPhone. You can find instructions on how to do this here:
Windows: http://www.iclarified.com/entry/index.php?enid=461
Mac: http://www.iclarified.com/entry/index.php?enid=455
Step 1 – Press to select Settings from your springboard.

Step 2 – Press to select General from the list of categories.

To get the rest of the steps, simply click here and download the guide :)
I take no liability for posting this guide, all content is for educational purposes. Should anyone have a problem, please contact me and request that this post be removed.




