Plex Settings
Change your Plex client to play in MAXIMUM QUALITY
This needs to be changed every time you sign in to Plex on new device.
Web
This applies to accessing Plex through any browser.
Go to Settings > Plex Web > Quality
and set Video Quality to Maximum
iOS
Any Apple iOS devices - iPhone, iPad.
Go to Settings > Plex Web > Quality
and set Video Quality to Maximum
Android
Any Android phones and tablets.
Go to Settings > Plex Web > Quality
and set Video Quality to Maximum
Android TV
Any Android TV device like FireTV, Nvidia Shield, some TVs with built-in Android TV.
Go to Settings > Video Quality
and set Home Streaming and Remote Streaming Quality to Maximum
Apple TV
Go to Settings > Plex Web > Quality
and set Home Streaming and Remote Streaming Quality to Maximum
Roku
Go to Settings > Plex Web > Quality
and set Video Quality to Maximum
Xbox
Go to Settings > Plex Web > Quality
and set Video Quality to Maximum
Playstation
Go to Settings > Plex Web > Quality
and set Video Quality to Maximum