In latest versions of Hisense VIDAA OS, you need to turn on Remote Control Service in order to be able to control your TV using the app.
Follow these steps:
Open All Settings
Select Support
Select Remote Control Service
Connecting to your Roku TV
In latest versions of Hisense VIDAA OS, you need to turn on Remote Control Service in order to be able to control your TV using the app.
Follow these steps: