vodacom repairs unable to fix my galaxy S6 Edge

<p>I have a Samsjng Galaxy S6 Edge and its on contract and still in warranty. The phone has problems with bad signal and poor battery life, and it gets extremely hot and the battery drains VERY quickly. The problem started about a month after i got the phone. I have booked it in at vodacom repairs pothefstroom last year and they replaced the battery. They couldnt do anything about the signal problem. The phones battery was fine for a couple of weeks and started draining very quickly again. This year i took it to Samsung repair centre to replace a cracked screen and to have a look at the battery and signal problems. They only managed to replace the screen. After a few weeks i took it to Vodacom repairs Potchefstroom again because of the battery and signal problems. They just cant seem to fix the phone. On Monday 3 October 2016 i booked it in at vodacom repairs potchefstroom again. The screen cracked again and i still have the problem with the battery and poor signal. They sent it to the advanced repair centre and they sent me a quote of R6910.30. This is unacceptable! Why do i pay R780 per month for a phone i cant use?? About 3 months ago i bought a Galaxy J1 ace, and its 100% better than the S6 edge. It shouldnt be like this!</p>