Fire TV slow remote speeds cause heavy buffering

Hello, I have been having an issue where on plex app, on my fire Cube gen 3, it only detects the internet speeds to be as low as 2-12mbps.

I have verified that I get my full 500mbps internet speeds on the cube and the server has an upload of 150mbps.

I have tried Wifi (6e, cube is about 3 ft away from router aswell), internal 10/100 nic, usb-Ethernet adapter (480mbps). All have the same results.

The only “solution” I have found is side loading kodi and running plex addon through that.

The slow speeds lead to heavy buffering of anything over 4mbps streaming quality while not using kodi.

Other remote streams on iPhone, desktop(windows) all stream fine. Just seems on my 2 fire devices (4K Max, Fire Cube gen 3) the plex app has an issue.

Any advice or tips would be great! Thanks!

I have this exact issue too. I can play a file through direct play over Emby without any issue but if I try to play that exact same file with Plex, it detects a much slower internet connection than I actually have and buffers / lowers the quality.

I’ve tested the connection of my Fire Stick and I get consistent high speeds. Emby on the Fire Stick can make use of those speeds but Plex on the same stick can’t.

May need to see logs but while something is playing check the dash board in the web app and see if it shows the IP of your Fire device as remote, local or indirect.

In the settings of the app in the Video Quality row make sure Home streaming is set to Maximum and in the same group of settings possibly disable Quality Suggestions which does a check on speed it might be getting wrong.

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