I've somehow made my Plex videos play smaller than before

Plex Players Streaming Devices
4

FireTV / AndroidTV / Android Mobile:
During playback, pull up on-screen controls.
Select three vertical dots on right edge of screen.
Select Playback Settings.
Scroll down to Display Mode.

1
11287×388 106 KB

2
21009×496 106 KB

3
3882×567 127 KB