Amazon sells an adaptor that allows you to plug an Ethernet cable into your Fire TV Stick, so you have a direct connection from your router instead of Wi-Fi.
It goes in the USB port on the side of your Fire Stick.
"Slow or weak Wi-Fi connection? Take advantage of the speed and reliability of wired internet," Amazon says.
"Connect your Fire TV or your Fire TV Stick directly to your router with an Ethernet cable, no Wi-Fi required."
Buyers have largely praised the product, with a 4.5 out 5 star rating on Amazon.
"Works a treat and no loss of connection or buffering experienced," one user wrote.
"I had issues with losing wifi before fitting this but this is now no longer an irritating issue for me so a worthwhile purchase at a good price a thumbs up from me," another said.
A third added: "I was suffering with my wifi getting through a stone wall so purchased this together with a ethernet switch to have my firestick wired.
"Wish I had done ages ago, I have no problems with Internet connection now."
The adaptor works on the following Fire TV and Fire TV Stick models:
All prices in this article were correct at the time of writing, but may have since changed.
Always do your own research before making any purchase.
Little-known objects that can disrupt your Wi-Fi
Wi-Fi problems don't just affect your Fire Stick - they can cause havoc for any connected gadgets. Here are some little-known devices around the home that can also affect the Wi-Fi signal: