I currently have the iPhone 5 with AT&T, I had an old family plan with 3GB per phone up until last year that I switched the AT&T Family Shared Plan. My question is, are the prices for the current plans still in place if I just upgrade my phone? Because if you buy a new plan with a new phone now you get charged an extra $40 per smartphone apart from the $100 of the plan base cost. This is what i mean: I currently pay $175 for all my 5 iP5 and I don't have that extra $40 dollars a month which I think its ridiculous. If I just upgrade to the iPhone 6 will my bill increase or the current plan keeps going?