3GS Before I jump right in.....

It seems though I ended up getting lucky on this 3GS with the week it was manufactured at least from what I understand; this is the lowdown on the device:




and



What would be the suggested next step, looking to use a batch of newly upgraded T-Mobile towers that support iPhone frequencies, buddy of mine did the actual work on them and sports his iPhone 4.

redsn0w & iPad BB using iPhone2,1_5-1.1.1_9B206_Restore.ipsw?

Appreciate the assist ahead of time