Workaround - Samsung battery optimization

To turn off the optimization function in Optimize Battery Usage, please refer to the following steps.

1. Open the Settings menu on your device and tap Device maintenance.
2. Tap Battery at the bottom left.
3. Tap Battery Usage.
4. Tap the more button on the action bar at the top right, and choose Optimize battery usage.
5. On the Optimize Battery Usage screen, switch to the All apps list from the drop-down to see all of the apps on your device. Turn off to exclude Display app from the Doze feature. Please note that the Display app is no longer affected by the Doze feature.