useless service provider

Can some please activate my sim card!!!<br> I have upgraded my contract and had the phone was delivered on Friday 28th August, I was told this sim card would be activated with in 24hours.after 24hours nothing happened and was advisedby your customercare people to do a sim swop, they said this would be done in 4hours and still nothing has happened.<br> Can someone please activate this card ....or please send your courier to collect this phone as it is as useless to me, as your CUSTOMERCARE AGENTS <br> ***<br> Ref