Disappintment from VOdacom

My contract was about to expire i called in Vodacom through 135 to terminate the contract they refered me to retention unit i said if no laptop i can get with more or less the same amount im cancelling they offered me a laptop didnt explain that it has a small memory and the contract type its 1 g and when its finishes they start billing me .After i recieved the laptop realising it has a small memory i tried to call in VOdacom wanting to return it i was send from pillar to post and from 135 the agent heard a problem location the division within VOdacom to assist me time is moving i still couldnt het through to them ?the call centre agent ended up writting them an email its almost 3 months im still waiting i was once given a 086 no they told me its not them .Areputable company lile vodacom a client failinh to contact them where as their own ppl i failing how im i going to get to them if their own employees i failing .i am very disappointed and discruntled about their services