Of course, it could be more than simple connectivity problems.
Try each of these fixes in order:
Check your internet speed.
Disconnect other devices from your Wi-Fi.
If that fixes your buffering problem, your web link is probably overloaded.
You may need a router thats designed for more devices.
Improve your Wi-Fi signal.
Use the HDMI extension cable included with your Fire Stick to move it away from your television.
If your TV is inside a cabinet, you may need a longer extension cable.
power cycle your Fire Stick.
Running a lot of apps on your Fire Stick can cause buffering issues.
scrub the cache on your Fire Stick.
refresh your Fire Stick.
If your Fire Stick is out of date, that can cause buffering issues.
Prevent your Fire Stick from overheating.
A hot Fire Stick can cause buffering issues.
Factory reset your Fire Stick.
Should I wipe the Cache on My Fire Stick?
Why Does My Amazon Fire Stick Keep Freezing?
There are a few different reasons for a Fire Stick to keep freezing.
If it seems to freeze when youre streaming videos, then it could be a buffering problem.
If yourFire Stick is frozen on the Amazon logo, restarting the Fire Stick may fix your problem.
Why Is My Fire Stick Lagging So Much?
If yourFire Stick is unresponsive or slow, restarting or resetting the Fire Stick usually fixes the problem.
Input lag can also be triggered by the batteries in the remote if they need to be replaced.
Restarting the Fire Stick can also take care of lagging audio.
An app on the Fire Stick grabs the data from the buffer and plays it on your TV.
see to it you are close enough and that there are no obstructions or interferences.
If the remote still won’t work, use the Fire TV mobile app.
If possible, use an Ethernet connection.
If you have a VPN installed, try disabling it.
Any steps you take toincrease your Wi-Fi speedwill also improve streaming quality.