I have a Roku 3500 which I've seen on some lists as an approved devices, but not on others. I'm able to see the Xfinity app, but the picture/icon is blank. When I try to install, I get an error message that it can't be installed. So, is the Roku 3500 not a supported device? I've also got 2 smart tvs that can't download it. From seeing all the questions and issues on here, I'm hesitant to buy a new Roku because there's no guarntee that the app will work well even if I can get it installed. I'm not sure what to try next!
The Roku 3500 model is not on the list of supported devices for Xfinity Stream. The best place to check for supported devices/operating system versions across all platforms can be found at:
These are periodically updated as new OS versions and devices are released.