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
