I saw on the bottom of your post you tried the TV remote...we just got a Hisense last week and I switched to using the TV remote. The only thing I truly miss is having the home button, and rarely but sometimes the Siri button, however my set up may be different. I have external speakers on the TV's that have an Apple TV and I have the audio set to go out optical on the one TV and eARC handles everything for the soundbar on the other.
I saw on the bottom of your post you tried the TV remote...we just got a Hisense last week and I switched to using the TV remote. The only thing I truly miss is having the home button, and rarely but sometimes the Siri button, however my set up may be different. I have external speakers on the TV's that have an Apple TV and I have the audio set to go out optical on the one TV and eARC handles everything for the soundbar on the other.