Lyf flame3 is a good 4g smartphone at budget price it comes with 4g volte technology was good and compatiable with reliance jio and this avails reliance jio happy new year plan free unlimited calls, sms and data until 31st march it comeswith 5.1 lolipop android version and2years warranty , quad core proccessor , sim type -dual sim, internet connectivity 4g, 3g, wi-fi, gprs, edge, audio jack 3.5mm, and fm radio feature, internal memory 8gb and ram -1gb, usb connectivity , so buy it