Your Grandfathered AT&T Unlimited Data Plan is About to Get More Expensive

· Jeff Gamet · News

AT&T raising grandfathered iPhone unlimited data plan prices

AT&T really doesn’t want customers with the grandfathered unlimited data plan that came with the first iPhone to hold on to that deal. The plan was bumped up to US$35 a month about a year ago, and come March 2017 it’ll jump up to $40 a month.