Worst set and service ever

Worse service ever since I took my tv in for Warranty issue I had with screen . 1st time I booked tv in for screen going blank 2nd time I took tv in for back light issue 3rd time weird spots on screen with tv having black shade in bottom right corner along with

Problem comes in that no quality checks gets done on TV set . Secondly TV set spend more time at the Hisense site then at my house Delivery takes place when and if someone decides to deliver the TV set Arnold promised to deliver tv on time now I must act as if I am being services with favours after all I bought this set .... Maxine and Norma has been trying their level best from HiFiCorp but Hisense and their service and processes is non existent.....This is what we get for buying their products .... Worst set and service ever