If you're using one of the most common apps to manage text chats on an Android phone, you'll see a small blue dot appear next to certain conversations. In other cases, a different symbol, such as a ...

No, you're not seeing things: Your Android device sometimes displays a small green dot in the status bar. Likely nestled next to your battery icon, it comes and goes, but never seems to stick around.

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The 'N' icon in the notification tray indicates that NFC is enabled on your phone. Head to the Settings app or the quick ...