To unlock iPhone 3gs on iOS 4.1 you have jailbreak your device first.
Sure you can unlock your iPhone 3gs but before that you have to jailbreak iPhone 3gs.
Take the phone to a retailer who specialises in phone unlocks.
From iPhone 4 and beyond you can use simple software to unlock your phone. The 3GS is not able to unlock your phone unless you buy a special SIM card or take it to a different carrier
You can.by jailbreaking it or by going to a store that is capable of unlocking phones
There are some organisations that can do this for you, it is very difficult to do this yourself. It depends on which carrier the iphone is locked to. There is a site that can unlock every iphone for you, they are called stockunlocks and then your problem is solved.
iPhone 3gs
iPhone 3GS
Yes it is now possible to unlock all versions of iPhone 3G and 3GS
the iphone 3gs replaced the iphone 3g.
Dose the iphone 3gs have a radio
If you mean,' Do iPhone 3GS's have Verizonservice?'No, not anymore, as of 17/10/2011 you can only get the iPhone 3GS on AT&T!