Reliance Jio has launched JioPhone Prima 4G, which runs on KaiOS. It has internet access enabled and supports social media apps and that too at a very economical price. The smartphone comes with various advanced features for a keypad phone. Jio first introduced this phone in the seventh chapter of the Mobile Congress event. Now the phone has officially been launched and its specs will will blow your mind. Check out the JioPhone Prima 4G below.