bad network, not wat ad says!

Hi<br> <br> Why do Vodacom advertise they have the best network for smartphones if it is not the case?!? I can't even hear my mother on the phone who is a loyal vodacom customer. to me vodacom is doing false advertising and getting away with it!!! This is not the first time!! Their customer service has to be improved on all levels!! And that means networks also!! I'm very gatvol about this! My mother pays vodacom without issues on time and this is the way they thank her!! Why must the fault always fall to the user, the phone settings or the phone it self before a network can say its their fault?!? So if they want to know more and rectify the issue, they can call me on *** or ***.