Hot answers tagged notifications
Go to Settings -> Application manager. Find an application called "Badge Provider" and clear it's data. Then restart the phone. The (1) goes away.
Same issue here with Galaxy S5 on Cricket Wireless. Turns out there was an unknown message sitting in the inbox that never showed itself as "new". Once I completely scrubbed the voicemail of all messages including the hidden one, the icon went away. It now works quite well. Doublecheck your voicemail messages.
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