With the Always On Display, it is possible to have an always-on screen on your Samsung device, displaying information such as the date and time, as well as notifications or music information. This guide shows how to turn the Always On Display on your Samsung device on or off.

Note: Not every Samsung device supports the Always On Display.

Android 10 (One UI 2.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Lock screen
Step 3:  Enable or disable  Always On Display
  1. Open the Settings
  2. Tap on Lock screen
  3. Enable or disable Always On Display

Samsung Instructions