Hisense. COMPLETE PATHETIC LACK OF SERVICE

I have been in email contact with HiSense since November last year to get a new remote for my smart TV. (model50K390PA :T169863) I keep getting told that they don't have stock and I should try again in 2 weeks. Its been months now (and I keep in contact with them as requested)and even after insisting that they order me a new one, I keep getting told they don't have stock!! There isn't an app or Universal remote that works on this TV. Pathetic service!!! Complete lack thereof. Would give zero stars if I could.