To remove and reinstall Visual Voicemail upgrades on your device, follow these steps:
1. To delete updates, navigate your device menu: Settings > Apps > Voicemail > Uninstall updates.
2. Shut down and restart your device.
3. Start the Visual Voicemail application and select Settings from the main menu.
4. Tap Updates.
5. Tap Check for updates now. If a software update exists, it will download to the device.
For further Visual Voicemail support, go to the customer care page on your service provider's web site.