so for starters I need to recover my firmware to version 347 from 345 in order for this to work? 2ndly, Im already using my 3g iphone on Rogers, what do i need to do differently from the guide? What is this youtube fix anyways? Do i need to activate the phone even though its already activated?

which guide do i follow. This one?

or this one:
iClarified - iPhone - How to Unlock/Jailbreak Your 2.0 2G iPhone (Windows)