How do I unlock iPhone 3GS?

this work for both 3g and 3gs..

go to

http://techpp.com/2010/02/05/unlock-iPho...

Depends what firmware you have. If you have iOS 4 already installed, then you're out of luck, sorry. You'll have to wait a while for it to be released. But if you have 3.1.3, then use spirit to jailbreak and ultrasn0w to unlock.

redsnow has a tethered jailbreak on for 4.2......however it it loads a 6.15 baseband, if you do this, it gives you intructions on how to unlock with ultrasnow

Hi,

I just saw your question regarding unlock iphone 3GS. if your problem is not resolved yet, I’d recommend you to browse https://www.unlockninja.com/unlock-apple... &follow the steps to resolve your problem. I hope you will get solution from this web portal Safely, Legally, Quickly, Forever!

Thanks,

You can unlock your mobile using the remote unlocking method.This is the safe and easy way of unlocking..If you need get it from http://www.superunlockcodes.com/ .This is the online service provider.With the help of this you can unlock your mobile easily..

you can get the unlock service from online site and unlock it.

I did my iphone factory unlock at Jailbreakhome.com. I can use my phone now to any carriers.