Meet the jio phone.This product is only good for calling. This phone is 4g and voLTE enable phone from relince . It has a single Nano - sim slot and network . It has 2.4 inch disply with a resolution of 240320 pixcles . It had a D-pad for navigation and a number of dailing and typing . The jio phone has 512 MB of Ram and 4 GB of internal storage is expandable upto 128 GB via micro SD card solt.