No Phone sins 10 November 2014

I send in my phone for repairs on the 10November2014 my phone was collected at home and MTN gave me a loan phone till know I haven't receive my phone and the loan phone is not working so I'm paying every month my account but don't have a phone IPHONE 5 C.<br> I've called the call Centre and don't get any assistance or call backs sometimes they just cut my line and don't care I even send them email still no respond from no one its like they don't care about me and my query.<br> Sometimes only the voice prompts tell me that my claim has been approved but still no phone.<br> its going for a year now that my phone is with them.<br> went to The Glen Shopping Centre even on their system it just shows that my claim has been approved said that I need to get hold of the insurance dept.<br> I called again bout two weeks ago after my call was cut two times got hold of someone and she told me that my claim was approved and on the system it shows that I received my phone on the 02 December 2014 advice her that I don't have a phone and that the loan phone is broken said that she will come back to me no one has called me ever since still no phone.<br> MTN got very poor costumer service!!!!<br> PLEASE HELP I NEED IT