A poster is not a video specification
Catalog artwork can look crisp even when the selected viewing edition has different resolution options. Use the offer and the actual player's settings to check HD, 1080p or selected 4K availability. Plan requirements, devices and editions can affect the choices. MyFlixerz2 does not attach an unverified 4K badge to every title.
Prefer a steady picture to repeated interruptions
If a higher setting repeatedly stalls, try the service's automatic quality option or a lower supported resolution. Compare the result on the screen you are using. A phone, laptop and large television make different demands on the connection and reveal different amounts of detail. A higher number is only useful when the viewing experience remains comfortable.
Understand the source
Older photography, intentional grain and a film's color treatment are not necessarily playback faults. If the image changes sharply in clarity during a session, adaptive delivery may be responding to conditions. If the appearance is consistent, it may belong to the edition itself. Check audio and subtitle choices alongside resolution, especially when several people are watching together.