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TouchWiz 7.1 - 22 September 2016
Samsung Galaxy Note 7 recieved an update on 22 September 2016, commonly referred to as the "green battery update".
TouchWiz 7.1 (aka TouchWiz Grace UX 7.1) brought Unicode 9 emoji support to Samsung phones for the first time, as well as support for skin tone modifiers. More on this update.