A visitor holds a new Samsung Galaxy Note 4 smartphone at the Unpacked 2014 Episode 2 event ahead of the IFA Electronics show in Berlin

A visitor holds a new Samsung Galaxy Note 4 smartphone at the Unpacked 2014 Episode 2 event ahead of the IFA Electronics show in Berlin

A visitor holds a new Samsung Galaxy Note 4 smartphone at the Unpacked 2014 Episode 2 event ahead of the IFA Electronics show in Berlin, September 3, 2014. REUTERS/Hannibal Hanschke (GERMANY – Tags: BUSINESS SOCIETY SCIENCE TECHNOLOGY)