Android 4.2 mobile phone mtk6589 quad core unlocked phone s4 original smart phone Android phoneFeatures:1, MediaTek MT6589 Quad-Core high-speed processing platform2, Internal RAM:1G/ROM:4G (2GB+16GB Optional) We offer 1 year product warranty.All the products were tested during production. And our QCwill inspect the goods 100% of all orders again before shipment. Because we would like offer the best quality products before delivery to customer rather thanRepair/Return warranty.1, We offer the fast delivery in 2days for sample, 2-15days for bulk order.2, We offer the fast shipping way such as DHL, UPS, FedEx, EMS etc.We accept payment via TT, Western Union, and PayPal for small order, while T/T and L/C for larger orders.1, We offer the best competitive price, NO MOQ required.2, We offer OEM service, customer's design LOGO printing is acceptable.