How to Use Jio 4G Siervice in 2G or 3G Phone via JIOFI (Telugu)

Hello Friends, You Can Use Jio 4g Services in Your 2g/3g Smart Phone Using Jiofi... to use jio 4g service in 3g/2g mobile You Need to Buy Jiofi Device at 1999 rupees... For More Information Please visit Jio Official Site : http://www.jio.com/preview/jiofi