There's not a soundbar or something blocking the remote signals from reaching the tv?
You can upgrade to a Roku Voice Wifi remote, signal will go through walls:
https://www.amazon.com/Roku-RCAL7R-Voice-Remote-New/dp/B07WVFCKSS/ref=sr_1_3?crid=28WW1A4SS9S9V&dchi...
And yes it will work with roku tv's, once paired.
Edmund
Roku Community Streaming Expert
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