Unknown icon on notification bar of Samsung Galaxy Note 3

[Huynh Vu Nguyen]

I couldn't find the meaning of the icon HD (the letters "HD" are surrounded by a shape like a text messenger icon). Please help me. Thank you so much.

 

[B. Diddy]

Welcome to Android Central! Can you show us a screenshot? http://forums.androidcentral.com/ge...ide-how-post-screenshots-android-central.html