How to Avail JioFi Exchange offer & Purchase JioFi at Rs 499: First of all, You have to Visit nearest Reliance Jio 4G store, with your old 3G or 4G dongle Then ask him/her to exchange Your existing 3G/4G dongle Now buy new JioFi dongle Complete minor process & buy it at Rs 499 Now Simply make a recharge of Rs.408 plan(must) That’s it. You have successfully purchase JioFi at Just Rs 499 & can avail Jio Dhan dhana Dhan offer till 3 months. Note: This offer is not officially announced by RJio, it is verified by Jio 4G Store Manager.