Mount tv on the wall in mount eden, auckland

Hi, I need help installing my TV - Size : 47” to 50” - Brand : Samsung - Model : Curved UHD 6 series 6500 - Wall type : Gib - Cables concealed in the wall : ❓(Not sure) - Mount/stand provided : No, installer to source - Mount preference : Standard flat - Additional devices to be connected : None Due date : Before Sat, 25th Mar Thanks