Vodacom fails to unlock phone service after 3 calls and an email to their customer service

<p>I've contacted Vodacom THREE times now to advise them that an arrears amount on my account have been settled and to ask them to unlock my phone service.</p> <p> </p> <p>NONE of the 3 different people I've spoken to have been able to resolve the problem. In addition to calling, I've also emailed proof of payment as instructed by one of their staff.</p> <p> </p> <p>In the meantime I'm unable to make calls or use any data services.</p> <p> </p> <p>Please resolve this issue as a matter of urgency.</p>