Hi, I want to buy a used iPhone 3G. The seller had it unjailbroken and updated to the latest 3.1.3 firmware with the 05.12.01 baseband. Thing is, I know you can downgrade the baseband on the 5.08 bootloader to be able to unlock but I don't know which bootloader is on the phone. I don't want to waste my 200$ if I won't be getting an unlock since I'll be needing that. Thanks for the help.