Clean ESN ready for new activation or upgrade. Phone can be used with U.S. Cellular network only. Package includes: Samsung SCH-R860u Cell Phone for U.S. Cellular Battery AC Plug USB Data Cable Quick Reference Manual NOTE: This is not an unlocked phone. Phone works with U.S. Cellular network only. It would not work with prepaid plans. It will not work with any other network like T-Mobile, AT and T, Metro Pcs, Verizon, Sprint. INFO: Samsung's first Windows Phone 8 device for the U.S. is a mid-range model with global roaming, NFC, and support for memory cards up to 64 GB. Other features include a small, light body, dual-core processor, dual cameras, and integration with XBox, Windows 8, and SkyDrive.