Contract cancelled instead of upgraded

MTN you have breached your contract and given me a free phone, as you are not charging me on my account. Mtn, Resolve this issue within 7 working days from today or I will keep the phone for free.<br> I upgraded my MTN Contract on the 23-5-2015 with Nonkosi Yvonne Dlamini at SABC 0465 MTN Store - The Glen Shopping Centre M 15 A - Oakdene. My sim and contract of my upgraded has been cancelled, I queried this now for 3 months.<br> Mutshinyani Matodzi [ MTNSA - Innovation Centre ] is in charge of my account and has frozen all information regarding my account, and Cindy Skhosana refuses to help.<br> I have been back to the brance four times to query this, I have emailed Mutshinyani Matodzi and Sindi Skhosana on many occasions with no response. <br> Now my old sim number belongs to someone else. Called the call centre 8/9 and spoke to Wilson Ntshotha 6/9/2015 at 1:15 pm-no help<br> 8/9 spoke to Nombuzo babulo, Madonna and super Hammit Ubdoel-no help.<br> 14/9 spoke to Lizeka Nomsomdaka, super Danny Botha at 5:51 pm still waiting.<br> Transaction date : 23/5/2015<br> Contract type : upgrade<br> Sales person : Nonkosi Yvonne Dlami<br> CALL ME my no is listed bellow.