This is not a good phone. Oppo F1S offers average pixel density ( 267 ppi) . With average resolution of only 720p.The display quality should be better. It comes with heavy weight ( 160g) .It doesn’t offer FM Radio. It doesn’t offer JAVA. It is still using Android LOLLIPOP. It doesn’t offer NFC.OppoF1S another problem is doesn’t have a water nd dust resistance. Fast charging is missing. It offers slow charging. Another problem is Non removable battery not good to buy.