Samsung Galaxy S5 invicible notifications?

B. Diddy

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Mar 9, 2012
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Welcome to Android Central! What do you mean invisible notifications? Is it making a notification tone, but you're not seeing anything in the notification area? If that's the case, it could be the NFC (Near Field Communication) chip, which can cause a tone if something else with a NFC chip is nearby. Another common culprit is Yahoo Mail.