Samsung Galaxy S8 G950U SM-G950U 64GB Factory Unlocked Smartphone Functional Guarantee This phone is fully tested and guarantee fully functional with all features Factory Unlocked This phone is factory unlocked and will work with all USA GSM carriers With the latest Samsung BYOD technology, the phone will be adapted  to your carrier after you installed your carrier sim card Accessory Include Include the sync cable, power adapter, headphone, sim card ejector,  Type C to MicroUSB adaptor, Original Box sim card is not included Warranty: Free 30 Day return and replacement warranty.