Advanced Repair Centre DON'T know their JOB

I have taken in my my phone at the end of October for repairs. The repair centre at Cresta did an upgrade after I explained that I did same JUST BEFORE taking my phone to them as the battery didn't last 2 hours after being fully charged and the phone became extremely HOT!<br> They then forwarded to the ADVANCED repair centre & when I was contacted to collect my phone, I collected same. I asked WHAT has been done to the phone and I was told that the ADVANCED REPAIR CENTRE did not annotated what was done and could not tell Lorato at Cresta repair centre what they actually did.<br> After a week I then realised that I am not able to receive or send so I phoned 082111 and was told to take it back to the Vodacom for them to check. I then went to Clearwater and was told it is the hardware that is the issue. I then went to Cresta repair centre and was told that they CAN DO NOTHING. I then went home and logged a query on Vodacom's website, I was asked to provide information in order for them to assist me, THAT WAS ON 18 NOVEMBER 2015 already and I AM STILL WAITING TO BE CONTACTED.<br> ALL I CAN SAY IS THAT FOR THE \SUPPOSEDLY"NUMBER ONE PROVIDER THEY SURELY SUCK AND DO NOT KNOW THE MEANING OF SERVICE!"""