@JohnnyReno, I'm sorry, but if it's 5 years old there's no way Roku is going to replace it. The warranty is one year and after that you're on your own. I think you're just wasting your time trying to find a phone number that will more than likely lead you to some scammer.
If you want to shop for current devices: https://www.roku.com/products/players
You can also check to see if Roku is offering your account any deals:
https://my.roku.com/offers
https://my.roku.com/upgrade/
Roku Community Streaming Expert
Help others find this answer and click "Accept as Solution."
If you appreciate my answer, maybe give me a Kudo.
I am not a Roku employee.