Would like to thank you for viewing our product,We are a company in china,we have first-class service team and professional techenicians,all phones are rigorously tested and guaranteed to work properly, the phone has one-year warranty,please contact us if you have any questions during the use of the product,please don't give us a negative fedback ,if the product gives you a not good experience and needs to be returned ,please ecsure the device is sent back in it's original condition, please don't disassenmble and assemble before return ,thank you .