its an EXCHANGE policy, not a REPAIR policy!!!

I purchased a vodacom smart kicka from pep only two days ago and have been having problems with my accounts not syncing.. I tried taking the phone back and the woman spoke to me as if i am stupid and try telling me i have to go to vodashop to repair the phone as they will only exchange it after i did that!! That is NOT what the exchange policy says!! I DO NOT want this phone anymore as it is faulty! I'll even take a more expensive phone but i don't want this phone!!