Frustrating Service

I am so annoyed. I confirmed my upgrade last week after sitting on hold for 24 minutes. I confirmed everything & was told i would receive my devices within 3-7 days. I followed up today and just as well i did because i got told that my order was cancelled. Why? I am now sitting on hold for another 15 minutes to find out why it was cancelled. I can never get hold of anyone at vodacom. I struggled to open a contract with you guys and now you cant even get my upgrade done & no communication to me? Can i please get assistance asap?