Reasons to pre-book the JioPhone-- If you are someone who spends a lot of money on voice calls, you should totally book the JioPhone. Although this is a feature phone, it comes with many new additions that makes it behave like a smartphone in some aspects. Just to sum up, the JioPhone is primarily going to be used for the free calls that it offers. Reasons to not pre-book JioPhone-- The main reason to not book a JioPhone is its lack of basic apps. Although Jio is talking to WhatsApp team for the app for the JioPhone, right now you can't talk to people on WhatsApp using JioPhone.

Source: India Today August 24, 2017 11:37 UTC