Choose the edition before the resolution
Find the right film first. Twister and Twisters are separate productions, and an attractive image does not make one an edition of the other. After opening the viewing option, inspect the quality attached to that production on the selected service.
What the labels tell you
1080p and 4K describe picture resolution. High dynamic range, audio formats and subtitle tracks describe other parts of the experience. Do not assume one label includes all the others. A service may offer different editions or capabilities on different plans and devices.
Why Auto quality changes
Adaptive playback can adjust to changing connection conditions where the player supports it. If the picture becomes soft, wait through a scene and check the current setting. If a high manual quality repeatedly stops, compare a lower offered setting after pausing other large transfers.
Check the whole television setup
The display, app, connected device and selected plan can all matter. Netflix's picture-quality guidance is one service-specific example. Use the corresponding requirements for the service you actually chose, rather than applying one provider's rules to every player.
Keep the title in My List if you decide to switch screens. For captions that look small or late while the picture is otherwise fine, use subtitle help instead of continuing to change resolution.