Quote:
Originally Posted by retiredguy123
If you have an unused HDMI input on the TV, buy a Roku streaming stick from Amazon, currently on sale for $31, or from Best Buy, for about $39. It will already have the Xfinity streaming app where you can log on with your Xfinity user name and password. Note that you may need to register the device with a code before you can use the app.
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Don't do this. You can have the same exact issue with Roku. This is a new FireTV, therefore you have a better streaming device built in than Roku. I've been in IT for 40 years, and previously owned all Roku's. When Roku had their little spat with YouTube TV where they banned the app, I switched to FireSticks and found they work much better. The FireStick actually has a real OS (Android) on it, where the Roku is just an appliance. What this means is that I have far more control over the device. If Amazon decides to block one of my streaming services, I can easily sideload any app I want (something that's impossible on a Roku). I can also run a VPN on FireStick - another thing that can't be done on Roku.
Now, on to your issue...
First, ensure that the TV is running the latest OS. Although the TV's may have been bought at the same time, there's not guarantee that they were manufactured at the same time with the same OS installed:
- Go to Settings on your Fire TV.
- Select My Fire TV.
- Select About.
- Select Check for System Update
Once this is done, try running the Xfinity app again. If it fails, have them delete the app and re-install it. This should correct any issues.