Oppo f1s is good mobile phone it comes with different varients. camera quality is very good of both front and rear.if we can talk about its processor that is also very good its work really fast. sound quality is also good . dual selfie camera battery life is very good 3075mAh with fast charging. 4gb ram or 64gb internal storage. if we can talk about its sensor then it contain m sensor, light sensor, distant sensor, g sensor, hall sensor. its weight is only 160g. its sleek and slim design makes it a really good phone. I am also use it and I found nothing complaint in it. this is really a good phone by oppo.