If you're having trouble accessing voicemail, view this video.
From a Home screen, tap the Apps icon (located at the bottom).
Tap Voice Mail.
If prompted, enter the Voicemail password then tap Login.
The Visual Voicemail password is the same as the standard Voicemail password. For assistance with resetting the password, refer to Reset Voicemail Password.
If you'd like to upgrade to Premium Visual Voicemail and enjoy added benefits like a larger mailbox, up to 20 custom greetings and transcription of voice messages to text, check out this info.