The Reliance Jio Preview that started off with LYF smartphone and few more brands has now been extended to Sansui, Videocon and Sony smartphones. In fact at many Reliance Digital / Xpress Mini stores you can get the SIM with offer for any smartphone with 4G support.
Do check this article on how to get a JIO SIM with offer. Good news is that 3 more brands have been officially added. There are some Reliance Digital / Xpress Mini stores where the staff are specially looking at the models that are entitled for the free offer.
So in case if are using Sansui, Videocon or Sony smartphones with 4G LTE support, you can walk in – into the Reliance store and get a free Jio SIM with 90 days unlimited data, SMS and Voice.