Upgrade from Voice to Voice and Data

Morning<br> I am currently trying to upgrade my one contract with Telkom Mobile from a voice data to Voice data that works on a tablet Samsung , Currently the at the store cannot do it . I am trying to get an answer from the call centre and the telkom Mobile staff on why it taking so long and why are they giving me the runaround. This an on going from the 26th of Feb 2015 till current 4th of March 2015 the case nr were closed before the complaint was or is resolved.<br> I have a few contract with them which is paid on time .<br> I need to resolve this.