Oppo a37f it use 9 month its very good condition and like this looking for oppo mobiles.camerafront camera this best.but real camera is good and focus is best.gaming performancegaming peformance is best but mobile hang this and hd game playing.batterybattery this good and useful 2 days but play game and on internet or wifi to us this 1 day.speaker this good and volume this high and mobile touch are very.smouth and any apps running on mobile.mobile version this 5.1.1 and not update to mashmallow not update option use to 9 month but update this colour os.