So my mother has an iPhone 3G that she probably giving to me soon, but she doesn't want to pay for data for my second line. Our plan is the 550 shared minutes plan with unlimited texting and her line (line 1) has the 250mb data plan. My line (line 2) is the 9.99 addon plus the texting. My data plan is blocked (no pay per use, completely blocked). I am currently using a Blackberry Curve 8310 without data. (instead of saying Edge, it says GSM). Is there any way that the iPhone will work without data? Do I need to jailbreak it? (I probably will anyway).