Check that you have not turned off the sound from the application settings menu. Check that your device is not in silent mode.
- Why are the app notifications coming late on my Lumia phone?
- What is visual voicemail and where to find it on my Lumia?
- Why do text messages with smileys from my Lumia to certain contacts appear as blank space or boxes?
- I cannot send or receive text messages on my Lumia phone
- I cannot send or receive email