Makro is useless and takes their own time to service brand new faulty products that they chose to place on the sales floor

I bought a brand new Sinotech TV from Makro on 27 July 2017. From the time we bought the TV we noticed that it loses volume, freezes etc. So about a month later we sent it in to Makro for repairs, they told me it will take 6 weeks to get the TV back.

Only after two to three weeks of the TV sitting with them, I get a SMS to say that it is only with the supplier now. Thereafter I needed to keep calling to hear that they can't help me unless I get a SMS to say that it is fixed. This is when I went into the store to find out that it will take a further 6 weeks after it is with the supplier for assessment.

Who the hell takes this long on a brand new TV???? Why not just give me a new one because you sold a faulty one in the first place!!! And what is wrong with the staff that they can't event help you properly instead of checking where the TV is, they tell me wait for a SMS?

I rather spend my money elsewhere to be honest. If the TV is so faulty that it needs this much time for assessment when it's not even 3 months old yet then honestly just replace it for customers. If the TV was older than a year then I fully understand but not even 3 months and you take this long?