Concept = it provides all the information about our jio sim card for example the high speed data remaining, total data used, call history, and many more.
Layout and design = top class service as it’s name suggests. You got everything which you need and very easy to use.
Features and functions = please read the concept section.
Usefullness = great of usage. You can use it for many more features. At last I just want to say that a big THANKS to MR. MUKESH AMBANI.
THANKS.