Return Policy on Cell Phone....appauling. CPA?

I Purchased a phone on 25/09/2015. Setup anti-theft. on the 17/10/2015 I changed sim cards and was met with a Privacy protection issue, I could not remember the password. The recovery password/ instructions sent to my wifes number (in Chinese) instructions from ZTE say send an sms with #mima# to get the recovery password, this was done three times with no recovery password. What would have happen if my phone was ******? I called ZTE repair centre, they advise this is a software fault which can only be done in JHB, I stay in peitermaritzburg, 7 days without a phone.<br> I go to the store and demand a replacement phone, they advise this is not store policy, Is this in line with CPA? A defective product? <br> Grant (Area Manager) advises to call customer care they might be able to over ride the decision to replace the phone. <br> I call and log a call with Beryl who advised that the reference number is her name and I will be contacted in 24 hours.<br> In the mean time, I have no phone, I am loosing business because of this inconvenience and \Policy"<br> If there is a software fault on these models why are they being replaced?<br> Check all the forums on this issue multiple people with the same issue!!!"""