I've purchased an iPhone 3GS for a girlfriend recently and now AT&T seems to automatically detect people using iPhones and put a data plan on their account. This is kind of bad, If I would go to AT&T to turn it off, how can I jailbreak the device and make it undetectable so she can use it without a data plan, just a simple phone plan without internet so we can pay a normal phone price with no internet?
Basically, I want the iPhone undetectable to AT&T so they don't automatically add a data plan to the account.
Basically, I want the iPhone undetectable to AT&T so they don't automatically add a data plan to the account.