Oppo F1s is the good mobile phone of the oppo series with alot of features the sound quality of music is awesome with bass and clear sound and the call quality is also best.easy to use every touch user person use it very easily have no problem same menu button work for al use and the look of this phone is beautiful edge free and steel body with 5.5" screen with good colour.the camera of this phone is 13mp and the battery timming is great a full time phone user easy use this one day with internet.