vodacom bad signal always

We are struggling with vodacom signal week after week in Rosashof area Vanderbijlpark. phone calls does not help excuse they are aware of the issue and it will be fixed. vodacom why must I pay R1000 a month for contracts if I cant use any data or make any phone calls because of poor signal. sort this issie out ASAP our whole area is going to change cellphone services. Fix the issue why we need to phone constantly and worst of all we can't get a hold of you guys?