Jio fi veryusefull thing to us in jio fi we can connect our mobile phon ewe can use jio fi any we can take jio fi any were because it is very small with can kept at hand. In our house there is wifi box but we can take it to anywere like market out of town .jio fi cost less amount in another things like sim we have recharge data it take more amount form jio gi that why jio is very good and usefull take jio fi