Hi guys im actually using a dual sim mobile with two vodafone sim in it.sometime signal drops as of like other network like airtel, jio and some other networks.it is a basic problem of all networks.but here is vodafone whrere the other networks dont get signals but vodafone gets it with highspeed interenet 4g ., my smartphone never buffered till I started vodafone 4g.with a high speed internet a flawless network streaming in hotstar, youtube and some other network streaming apps, And its rates and special rates are awsome and got recharge with rs147 got 12gb high speed 4g data.And this is better 4g than airtel and jio