AT&T is letting you double your data if you're on a Mobile Share Plan from 15GB - 50GB. So let's say you're currently on a 15GB plan, go into your account and double your data to 30GB for the same price. Promotion ends October 31st.
And before anyone asks, you cannot double your data if you're on the 10GB plan. Must be starting at 15GB.
AT&T offering double data on Mobile Share plans for a limited time | iMore
And before anyone asks, you cannot double your data if you're on the 10GB plan. Must be starting at 15GB.
AT&T offering double data on Mobile Share plans for a limited time | iMore