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Samsung Galaxy S25 Ultra next to Samsung Galaxy S24 Ultra free standing home screens

Credit: C. Scott Brown / Android Authority
  • The Galaxy S25 Ultra appears to fix a display issue that plagued the Galaxy S24 Ultra.
  • The issue caused the screen to look grainy when at low brightness.
  • The two phones use different panels, so a fix won’t be coming to the S24 Ultra.

The Galaxy S24 Ultra is one of the best Android phones to come out of 2024. In addition to its powerful cameras, solid build, and seven years of software support, its bright, glare-resistant display is also a highlight. However, that display has a glaring issue that Samsung appears to have fixed on its recently launched Galaxy S25 Ultra.

You may remember seeing reports about screen graininess on the Galaxy S24 Ultra around the time of its launch. The issue would become apparent when owners lowered the screen brightness while in a dark environment. This infamous issue is known as the “mura” effect, where individual pixels are unable to maintain brightness level uniformity at lower levels of brightness.