Oppo f1s phone is the one of phone which had a huge demand the price is negotiable as per the quality of the phone just the phone that has a suprb features the phones comes with 4gb ram along with 32gb internal memory and is expendable upto 128gb it has 13mp back camera along with flash and 17mp front facing selfie camera processor is good looks are just suprb the phone that is popular for its clarity in pics and full hd display battery backup is okey not that good phone also comes with fongerprint sensor.sound system is just best