Check language first
Original language in our title details describes the production. Subtitles, closed captions and dubbed audio are separate options on the selected viewing edition. Check its menu before committing to a long watch.
Make text comfortable
Where supported, change caption size, outline or background. Test a dialogue scene on the screen you will actually use. A phone setting may be too small across a room.
When timing drifts
A fixed offset and a track for the wrong cut need different solutions. Try another supplied track or edition before changing unrelated connection settings. The catalogue cannot add a missing translation to an external player.