In case of a router, you can try removing the adapter from the wall socket for 5 โ 10 minutes and trying again to see if it works, this might fix Firestick running slow issue. Also Read: How to Turn Off Firestick
Uninstalling a couple of external apps you donโt frequently use also helps lessen the load on storage memory which in turn helps in a performance increase. This will help to improve Firestick performance.

Automatic updates are useful but they keep running in the background whenever a new update is available either for a system app or a user-installed app. This setting can cause system slowdowns which can in turn cause Firestick running slow issues.

Finally, check if this resolves Fire Stick slow buffering issue. Also Read: How to Speed Up Firestick

Data monitoring is a service that alerts when the internet data exceeds a set limit, this feature uses a considerable amount of system resources in the background so if you donโt use this feature then turning it off may prove useful. Following are the steps to disable data monitoring to fix Firestick running slow issue.
Now, you will see two options Allow Video Autoplay and Allow Audio Autoplay. Turn both of these settings off.
If all the above solutions donโt work for you and your device is still problematic, as a last resort you can try factory resetting your device to improve Firestick performance.

