- Open the terminal settings.
- Enter the "Applications" section .
- Click on "Permissions" .
- Enter "Autostart" .
- Check the box for those applications that you want to start automatically to receive their notifications.
Remove background app restrictions
- Open the mobile settings.
- Enter the "Battery" section .
- Click on the gear button in the upper right corner.
- In the new menu, scroll down and click on "Battery saver in applications" .
- Access the app whose limitations you want to remove and select "No restrictions" so that its activity is normal.
Allow notification sound
- Open your mobile settings.
- Enter the "Applications" section .
- Click on "Manage Applications" .
- Select the app whose notification sound you want to enable. You just have to tap on his name.
- Go to "Notifications" .
- Check the "Allow sound" box . If you want the notifications to be even more visible, also check the "Allow use of LED light" box .
Clear launcher cache and data
- Open your mobile settings.
- Enter the "Applications" section .
- Click on "Manage Applications" .
- Go into "System Launcher".
- Tap "Clear data" in the bottom right corner.
- Select "Clear all data" and "Clear cache".