the iPhone 3GS replaced the iPhone 3G.
yes, you can...
Apple
$250
it is nick at night on your ipone
iOS
No, There is no iPad 3GS.
yes i have a 3gs
yes, it will, since the iphone 4s came out and the ipone 4 and the 3gs is still availible via the apple store. although I can't guarantee an ipod touch 5g will come out. i dont think their will be but you never know.
No. Yes.No, you can't upgrade it to be an iPhone 3gs because they are physically different. That is, the actual hardware is different.Yes, you can in that you can in that you can upgrade to the newest firmware and receive some of the benefits (i.e., cut, coy and paste) that are software only. You could also "upgrade" by purchasing an iPhone 3gs to replace your 1g.
iPhone 3GS
iPhone 3gs
You can root your iPone 4S by jailbreaking your device.