SAMSUNG - Android 7 - No Notification - Unmonitored apps

1. Open Settings
2. Enter the "Device maintenance" section
   
   
   
   
3. Enter the "Battery" section
   
   
   
   
4. Scroll down to enter the "Unmonitored apps" section
   
   
   
   
5. Click on the "Add apps" button and select "COL Reminder"