ios 3.1.3

Does anybody know a tether downgrade tool for the iPhone 3GS (new and old bootrom) that supports 3.x.x to 5.x.x? I've tried bluefreeze but it only lets me downgrade to iOS 4.1. Thank you.

Does anyone here have a link for iPhone 2,1 (3GS) SHSH Blobs for iOS 3.1.3? And before you say that SHSH blobs are unique to a device and a downgrade won't be successful, there is actually a way of downgrading your iDevice *tethered* with someone else's SHSH blobs via iFaith with your iPhone...

I have a question, will I be able to downgrade to downgrade my iPhone 3GS (new bootrom, running iOS 4.1, 2009 model, A1303) to iPhone OS 3.1.3 without SHSH Blobs? If I am, will I be able to downgrade UNTETHERED? If so, how? Will sn0wbreeze work? Thank you! NOTE: I am only trying to do this...

My iPhone 3G was working JUST fine but when installing whited00r 6,everything was bad! iTunes Can't recognize my Phone,i cannot hard reset,and i cannot enter DFU. my mac hasn't helped,i have a BROKEN power button,i really need my iPhone Fixed!!! i JUST got it. REDSNOW AND OTHER SOFTWARE DON'T...

I was trying to software unlock my iPhone 2g with an old version of redsn0w (9.2), which I've done before on other phone 2G's and it worked fine. Everything was running smoothly and bootneuter 2.1 had just come up on the phone but it was taking longer than normal and seemed to be stuck so I...