U.S. Cellular today announced a trio of new plans for customers of its pre-paid wireless services. The least-expensive feature phone plan costs $35 per month and offers 400 voice minutes voice, 400 text messages, and 400 picture messages. Feature phones can also choose a $50 monthly plan that includes unlimited voice, unlimited messaging, and 1GB of data. Last, U.S. Cellular is offering a $65 monthly option for smartphones that includes unlimited voice, unlimited messaging, and 2GB of data. Select smartphones can use the smartphone plan, including the Samsung Galaxy S II, Mesmerize, and Repp; the Motorola Electrify; the HTC Merge and Wildfire S; and the Huawei Ascend II.