unlocking help!

[alltimelow]

i recently bought an iphone off of ebay, already jailbroken and unlocked. i popped in my t-mobile sim card, everything worked perfectly. i could send/receive text messages, i could send/receive calls, i could browse through the applications, etc. when i tried to sync itunes and my iphone, it was not working properly and i reset it, not realizing that the outcome would be relocking my iphone. now my iphone is stuck on the connect to itunes screen and the only thing i can do is make emergency phone calls. when i put my sim card in the phone, t-mobile shows up as being the service provider, but it is stuck on that screen. is there a way to fix this or did i lock my phone back up and have to unlock it again?

what programs should i use to unlock and jailbreak the phone that would be successful if i downloaded them to windows first? i've tried using Quickpwn but I got stuck on the second screen when you had to browse for the firmware and it seemed to be taking a long time - is that normal? should i try that again? and also, once i get my iphone working again, how do i change the email that itunes on there uses? it has the previous owner's email and i'm not sure how to change that to mine?

any help would be greatly appreciated, thank you!

[iPhoneMadness]

Use Quickpwn.

Follow THIS tutorial.

It has all the instructions and downloads you'll need to jailbreak/unlock your phone. It is VERY simple.

If your still having trouble AFTER you've tried the tutorial, reply back. Knowing what kind of computer and what iPhone (2g, 3g) would help as well.

Good luck.