Facebook suddenly started showing a simplified version, forces the browser to the mobile site, and puts up a message saying you are using an unsupported browser. The cause behind this issue is the FB Purity Chrome extension that you are using.
Why does my FireStick keep say unsupported browser link?
Restart your Amazon Fire Stick using your remote Turn on your TV and wait for your screen to display your Fire Stick home screen. On your remote, press and hold the Home button for a few seconds. In Settings scroll down and click My Fire TV and then scroll down and click Restart to restart your device.
Is f1tv on FireStick?
What devices are the F1 TV app and F1 app supported on? You can watch F1 TV using your mobile or tablet through major platforms such as Apple, Android, Roku and Amazon Fire App. You can also cast from a browser using Apple Airplay or Google Chromecast Its also available to view on a PC through all major web browsers.