Is there a code for my Phillips RC1445302 to control my Roku Express device?
Hope this helps to solve your problem.
https://support.roku.com/article/225735828-how-to-set-up-your-roku-express
This is a very thorough video.
https://support.roku.com/category/115001360548--troubleshooting
Highly doubtful that remotes provided by cable companies will work with streaming devices. Why help the competition?
