Jio Preview Offer Invite How does it work Step 1: Carry original and a copy of valid Proof of Address (POA), Proof of Identity (POI) and a passport size colour photograph. Step 2: Locate the nearest Reliance Digital / DX Mini Store using store locator. Step 3: Visit the store with all documents mentioned above. Step 4: Purchase LYF powered JioFi device at the store. Step 5: Tele-verify within five days from the date of submission of Customer Application Form (CAF). Step 6: Get your Jio Preview Offer and enjoy high speed data. Step 7: Additionally you may download JioJoin app on your existing smartphone to make HD voice calls, video calls and enjoy premium Jio apps through JioFi. What you need to know: The Jio Preview Offer can be availed on purchase of LYF powered JioFi device only. Post the offer period, Jio commercial tariff plan shall be applicable*.