Adjusting volume controls can help if you're not getting notifications/ringing/vibrating when receiving calls/texts/emails.
The volume can also be adjusted by pressing the Volume button (on the left edge) up or down.
- From a Home screen, tap Apps (in the lower-right).
- From the Apps tab, tap Settings.
- From the DEVICE section, tap Sound.
- Ensure Silent mode is off (disabled).
- To disable, tap Silent mode.
- Tap Off.
- Tap Volumes.
- Adjust any of the following then tap OK:
- Ringtone
- Notifications
- Touch feedback & system
- Music, video, games & other media