Shocking customer service

This is now my second complaint! <br> <br> I purchased the S6 edge from Vodacom Sandton under a month ago and had it sent in for repairs on the 7th May due to multiple defaults but mainly dramatic battery loss. After sending a hellopeter complaint last Wednesday I received an sms stating my phone is ready for collection just a few hours after that, only to find out that it is still doing the exact same thing! So basically nothing was done to it within that week of repairs. I went back to the store last Thursday and they have stated that it needs to be sent in yet again. I have owned this phone for under a month, yet for 2 weeks of that month it has been in service! I don't consider this good customer service for a phone valued at over R15 000...<br> <br> Please attend to this matter with urgency as this inconvenience is becoming absolutely ridiculous!<br>