Compatible Networks: The device is factory unlocked and guaranteed to work with all Major US Carriers; AT&T, Verizon & T-Mobile & minor carriers*.  *Some minor carriers MetroPCS, Boost, Straight Talk, Xfinity, Cricket.. etc. may require the device IMEI to be registered in their system, and/or the network setting updated before the device can be activated on the network. It is the buyer's sole responsibility to confirm the device's compatibility with their network. Warranty: Two months (60 Days) Seller Warranty from the delivery date for repair or replacement. The warranty covers manufacturer defects and does NOT cover accidental damage.  What is included: Samsung Galaxy S9 Charging Cable Charger Retail or Gift Box