Hello, Maybe I'm answering a bit late but you can fix notifications following these steps
- Open your phone settings.
- Navigate to the app settings.
- Find the Autostart option and enable it for the app.
- Go to Battery
- Select No restrictions
- Depending on the app, you might need to allow restricted settings.
- Open the app's permissions
- Enable the following in other permissions:
- Show on lock screen
- Open new windows while running in the background
- Go to your phone’s Notifications settings.
- Select the notification you want to enable
- Enable the following options:
- Show notifications
- Floating notifications
- Set a notification sound.
- Enable vibration (if desired).
- Under the "On the lock screen" setting, choose one of the options that allow notifications to display.
Then I recommend if you restart your phone to launch each app individually cause sometimes it doesn't get notifications immediately.