A. 1. Check notification settings: Go to your device's Settings > Apps > Purp > Notifications and ensure notifications are enabled. 2. Check Do Not Disturb mode: Make sure your device is not in Do Not Disturb mode, which can silence notifications. 3. Re-enable notifications: Toggle the notification settings off and back on to refresh the notification system.

B. 4. Clear app cache: As mentioned earlier, clearing the cache can also help with notification issues.