I have use jio phone.wonderful phone.it’s back camera and front camera is very good about phone size.i know this phone is not android but kaios version is defferent.i really fun to play this mobile.jio game, jio cinema, jio tv, and facebook is in it.and I have feel two bad quality in jiophone, 1-hotspot isn’t is this phone.2-this phone works slowly after sometime.but downloading speed is excellent.i saw youtube always in this phone.