I changed 6 settings on my Roku TV to give it an instant performance boost
Briefly

Buffering and freezing issues on Roku TVs may be fixed by clearing its cache. This can be achieved through various methods including restarting the device, using the remote to initiate a special restart sequence, or uninstalling and reinstalling apps that may be causing slowdowns. Common troubleshooting steps include unplugging the TV and allowing it to reset, which can often resolve the performance issues effectively and quickly, ensuring smooth viewing experiences.
If this is happening on your Roku TV, don't give up on it just yet.
There are simple ways to clear up this hidden clutter and get your Roku TV behaving like its normal, healthy self.
Sometimes it even does the trick. Unplug the unit, walk away for a few minutes to let all those electronic pulses fizzle out.
If issues persist after that quick fix, try this hidden function by using the Roku remote.
Read at ZDNET
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