Samsung S5

I bought a Samsung S5 smart phone about 4 months ago... 1stly I had to return the 1st phone I got as it was and obf ( out of box failure )... so you know how Samsung promotes the fact that your phone has a 2 years warranty and you get 2 free screen replacements well it turns out that all you getting in the warranty is two free screen replacements. my phone has major software issues gets extremely hot and battery doesn't even last for 10 hours, I took my phone in for repairs and as promised I got the screen replaced but as for the rest I received a quote for around R 3000 to have my mother board replaced which was and issue I had with the phone a month after buying it....Samsung knows this is a useless product that's y they offer you this two screen replacements don't expect anything more after your 7 days of purchasing your handset