One month ago I am buying second phone intex aqua y2 pro.First of all you check all feature.You can check camera front and back , audio check good quality , display properly check no scratches and no damaged .You trying some call and check properly speaker and reciver other wise you can’t face this problem.We open cell phone go sitting check , wifi, bluetooth , hotspot, sim sitting we can properly check some all features. We can selling for seller properly bargaining and check battery.