All our products comes with 30 days warranty, we credit customer account against those returned to us as long as returns faults are verified and it doesn't exceed 30 days from the date customer has received it. we are not responsible for the cost of the returns.
Grade A is a device that is shortly used or might just be because is out of the box, Grade A device doesn't have any marks, scratches or dents, it almost looks new. device is fully working and comes with 30 days warranty
Grade B devices are those used and will show some small amount of marks or scratches but not many or anything deep,this is handset only, is fully working and comes with 30 days warranty,
Grade C devices will have few marks, dents and scratches including on LCD, the marks are more visible than those on grade B, device is fully tested, Functional and comes with 30 days warranty. no accessories included.