Gave a contract on ipad

Vodacom have phone me to gave me a contract on a ipad - i did received the ipad via courier, they block the sim card, they asked i must phone in to unblock it, i did do it with out any success i am really tired to try to explain my self to this people every time they tell me someone will phone me and help me without any luck. I was also in Beth at the branch they told me they can not help me Vodacom head office have to help me because they supply me with the ipad.<br> <br> the account nr is I***6 the order nr was ***1 they send me this on the 17/4/2015 and from this time until know i can not used it.<br> <br> It is a smart tab I***6 can someone please assist me.<br> <br> Thanks