If you're not getting any notifications from Coupled, you need to check the Notification settings. Ensure that all the notification switch buttons are enabled if you want to get Coupled notifications. To check if the notifications are all enabled, do the following steps.
1. Open the main menu button located on the top-left corner of the Home page.
2. Tap the Preferences option.
3. Go to Notifications.
4. Check if the notifications that you don't receive are enabled. Tap the switch to enable them.