EXTREMELY BAD AFTER SERVICE

I booked in my device several time for a quote. Eventually a quote was given by the Advance repair Center.Several times i tried contacting the Advanced repair centre, but no luck .I have to go into the store, and they will call ***. I spoke to Shanice on the 16/03/2016, she informed me her SUPERVISER Portia will give me a call.Up until today 21/03/2016, 5 days LATER, no call.AFTER +- 2 months of my device being there, i am still not A HAPPY CUSTOMER.Every month VODACOM`S debit order goes off on time.But i don`t have any use of my phone. in the mean time i had to buy myself another device to use till this is sorted out .CAN SOMOENE FROM HQ PLEASE CONTACT ME regarding this issue i have !!!