To prevent the mobile device from going into sleep mode, follow these steps:
- Enable the "Background Service" option:
- Click on "Open Battery Optimization List".
The window for battery optimization of the mobile device opens:
- Click the down arrow
at the top of window beside "Not optimized" and select the "All apps" option.
All apps for which the "Battery optimization" function is enabled are displayed:
- Click on the "Notifier" app.
- Select the "Don’t optimize" option and click on "DONE":
- Click the back arrow (arrow to the left) to get back to the "Notifier" app.