iPhone | How to Upgrade Your Jailbroken iPhone 3GS to OS 3.1

I was going to post a tutorial for you guys on how to JB iPhone 3GS with the new 3.1 software, but iClarified did such a good job of theirs, I'm just going to link you there.

Here's the link

N.B REALLY important step in that guide. Make sure you DO NOT tick the Activate the iPhone if you have a legit phone that was activated at purchase. Failure to follow this instruction will render your phone useless (as a phone) as it will no longer talk to the network and you will have to start all over again.
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