Jailbreak help please

[iphonesrq]

I broke my old 3G iPhone now I need to JB my new 3G (not 3G-S)....this is how I did it last time:

(how to jailbreak): http://www.iclarified.com/entry/index.php?enid=1558

#1 is this the easiest way, this might be an old way?

#2 I need it for tethering this one gave me cydia

#3 Can i just backup my broken one & then use the backup for the new iPhone?

#4 thank you very much!

[Moi un Mouton]

That's outdated.

Read up about BlackRa1n, go get it from Blackra1n.com, and read this tutorial:

http://www.iclarified.com/entry/index.php?enid=5885

From what I have read I'm sure you can tether (haven't done that myself but search this forum for tethering 3.1.2)

Yes you can back up from the old and restore to the new