What is the Free Welcome Offer? A. If you are an existing Jio Preview Offer customer, you will be automatically migrated to the Free Welcome Offer on 05th Sept, 2016. As a part of this offer, you will continue to enjoy unlimited HD voice & video calling, unlimited SMS, high-speed data and access to a host of Jio premium apps till 31st Dec, 2016. B. If you get a Jio SIM as part of the Free Welcome Offer, you will enjoy HD voice & video calling, unlimited SMS, high-speed data and access to a host of Jio premium apps till 31st Dec, 2016. What is JIO ? ISD Tariff Rate-cutter for top countries International Roaming Tariff Postpaid Add on Packs - Combo Packs Postpaid Add on packs - Audio and Video Conference Postpaid Data Add-on packs Postpaid Jio Applications Postpaid plans Prepaid Combo Vouchers Special Tariff Voucher - Data Add-on packs Prepaid Jio Applications Prepaid Plan Vouchers Special Tariff Voucher Prepaid Special Tariff Vouchers-Audio and Video Conference Prepaid Top up Vouchers Special Tariff Voucher Special Tariff Voucher- Data Add-on packs NOTE : Upto 4 GB 4G LTE data free every day, free till 31st December 2016 , Post expiry of the daily limit of 4GB 4G LTE data, unlimited data free at reduced speed of 128Kbps 1 GB Data cost is Rs 151 not just 50 .