Hlo friends, I am using jiophone from last six months. It is very beautiful, cheapest 4g smart phone in india. Processing, sound, key, camera, audio video qualitys too good. I like this mobile phone. it is small, hardy and Carriageable smart phone. It is excellent product. Its have 4g volte , 2000 mah battery, Ram 512, internal storage 4gb. so, its wonderful mobile also.