This device is for GSM Networks only!GSM Carriers include, but are not limited to:Airfire Mobile, ASTAC, Asset/Vada Wireless, AT&T (includes GoPhone Prepaid, Dobson Cellular, Edge Wireless and Centennial Wireless), Broadpoint, Big Sky Mobile, Calhan Wireless, call4care, Cellular One, Chariton Valley Wireless, Cincinnati Bell Wireless, Commnet Wireless (also uses CDMA in some areas), Consumer Cellular, Cordova Wireless, Corr Wireless, Cricket Wireless, Cross Communications, DTC Wireless, Earthtones, Epic PCS, FreedomPop, Fuzion Mobile, GCI Wireless (also uses CDMA in some areas), GTC Wireless, GoSmart Mobile, i-wireless, Immix, Indigo Wireless, Jolt Wireless, KTC PACE, Long Lines Wireless, Mobal Freedom, Metro PCS (also uses CDMA in some areas), NEP Wireless, Pine Cellular, Plateau Wireless, Pure Prepiad, Pure Talk USA, Simple Mobile, Telecom North America Mobile Inc, TerreStar, T-Mobile, TracFone Wirless (also uses CDMA in some areas), NET10 Wireless, SafeLink Wireless, Straight Talk, SIMPLE Mobile, Telcel America, Tru, Union Wireless, Viaero Wireless, Walmart Family Mobile, West Central Wireless, Westlink, XIT Communications *If you plan to use this S7 with Metro PCS please make note of this in the buyers notes at checkout* If you are unsure about or don't see your carrier above, please message and ask or make note of your carrier in the buyer's notes at checkout! 24/7 Customer Service Someone is waiting and ready to answer any question you may have! We back our sales with a FREE 30-Day Money Back Guarantee We want our customers to have complete trust in our products. That is why we guarantee satisfaction or your money back! Free Shipping! For an up-charge "FedEx 2Day" and Overnight options are available for your convenience! Trusted USA Seller Our customer's comments speak for themselves!