Hii everyone I have brought this jio mobile which contains 4g mobile it has 2000mah battery it has 4gb internal storage and with 2mp camera it's software version is os 2.5 version and it's has base bands version and it has with WiFi connection with some social servers and all some types of games and it has high sound quality speakers it is very lite weight of compare to all key pad mobiles but all this features are ok but there is a main problem that is bursting this because of over work on this mob and this all features are given in this small one that software damage in overload and get burst so I suggest you that not to buy this type of mobiles .my relatives one has buyed it and after some days it burst on charging it