I buy 3 jio phones on march 18 2017 on amazon.the price of the phone 1, 315 it has 512mb ram 2000mah battery 4g volte and also WiFi and Bluetooth. its camera quality was not good it has 0.3 front camera and back is digital zooming.and it has 4gb intarnal memory.after using it for 2 week it started heating problem and apps are crashed.browsing was not good sometimes keypad dosenot work properly and it has very slow charging to.sometimes screen dosend work it shows white screen sometimes .and it look not so good and it wsend very user friendly so this is my own experience in this phone. hope this review helpes you.