A visitor tabs on the display of a Samsung Gear S smart watch,  during an Unpacked event  at the IFA.
A visitor tabs on the display of a Samsung Gear S smart watch, during an Unpacked event at the IFA.
Samsung became the biggest smartphone brand on the popularity of  earlier Galaxy models.
Samsung became the biggest smartphone brand on the popularity of earlier Galaxy models.
The display of a Samsung Gear S smartwatch is pictured during an  'Unpacked event'  at the IFA.
The display of a Samsung Gear S smartwatch is pictured during an 'Unpacked event' at the IFA.
The display of a Samsung Gear S smartwatch  is pictured during an 'Unpacked event' at the IFA.
The display of a Samsung Gear S smartwatch is pictured during an 'Unpacked event' at the IFA.
The curved display of a Samsung Galaxy Note edge is pictured during an 'Unpacked event' at the IFA.
The curved display of a Samsung Galaxy Note edge is pictured during an 'Unpacked event' at the IFA.
A Samsung Galaxy Note 4 is pictured during an  'Unpacked event' t at the IFA.
A Samsung Galaxy Note 4 is pictured during an 'Unpacked event' t at the IFA.
People look at new Samsung products   at the IFA, one of the world's largest trade fairs for consumer electronics and electrical home appliances in Berlin.
People look at new Samsung products at the IFA, one of the world's largest trade fairs for consumer electronics and electrical home appliances in Berlin.
A visitor tabs on the display of a Samsung Galaxy Note edge during an 'Unpacked event' at the IFA.
A visitor tabs on the display of a Samsung Galaxy Note edge during an 'Unpacked event' at the IFA.
British  television presenter Rachel Riley shows a virtual-reality headset called Gear VR during an unpacked event of Samsung ahead of the consumer electronic fair IFA in Berlin.
British television presenter Rachel Riley shows a virtual-reality headset called Gear VR during an unpacked event of Samsung ahead of the consumer electronic fair IFA in Berlin.

The announcement at the IFA trade show in Berlin comes as Samsung's smartphone sales fell four percent in the second quarter.