How to Enable Dark Mode on Samsung Galaxy A57 with One UI 8.5
Dark mode turns the interface dark. Switch it on from the Display page in Settings.
✅ Tested on
- DeviceSamsung Galaxy A57
- SystemOne UI 8.5
- AppSettings
- Also works onOther Samsung phones running One UI 8.5
- Last verifiedNovember 8, 2026
Every screenshot below is taken from the actual recording on this device — no stock images.
Steps
Open Settings from the app drawer
Swipe up to open the app drawer, then tap the Settings gear icon.

Tap Display
In Settings, tap Display. Only the top of the row peeks out from under the floating Search bar.

Tap Dark
On the Display page, tap the Dark option at the top. Light is currently selected.

Confirm Dark mode is on
Dark is now selected and the whole page has turned dark — Dark mode is on.

Good to know
- Dark mode is switched on by tapping the Dark option at the top of the Display page — Light and Dark sit side by side there.
- The same Display page also holds Brightness, Adaptive brightness, Eye comfort shield, and Screen mode.
- To switch back, tap Light on the same page. That switch-off is the inverse action and is not shown in the video.
- The video was recorded with the phone in light mode, so the first screenshots are bright and the last ones are dark.
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