the brightness on the Always On Display can be controlled automatically by the Samsung device. alternatively, we can also change the brightness manually. this can be done via the usual display settings, if the automatic is deactivated, or directly on the Always On Display. to do this, you need to tap the clock twice in a row. then the option to change the brightness will appear.
- Open the Settings
- Tap on Lock screen
- Tap on Always On Display
- Set Brightness manually or enable/disable Auto brightness