How would one go about jail breaking an iPhone for use with Tmobile? I'm assuming it would have to be an ATT phone not a Verizon since Verizon uses CDMA. I know how to jail break using absinthe (just did my iPhone 4 on Verizon a few days ago and had NO idea what I was missing!), but is that all there is or are there extra steps so that it will work on Tmobile? Thanks for all of your replies!