When contacting the TV manufacturer, you may need your TV model number. If you cannot find this information on the back panel of your Roku TV, use your Roku TV remote and go to Settings > System > About.
Roku Community Streaming Expert I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well. If this post solves your problem please help others find this answer by clicking "Accept as Solution.".
Streaming Stick 4K+ 3821 | Streaming Stick+ 3810 | TCL Roku TV 43S245/C107X