Vivo's X9s is an Android smartphone that features a 5.5" FHD AMOLED display, a snapdragon 652 octa-core chipset, 4GB of RAM, 64GB of RAM and a 16 MP primary camera. The X9s Plus sports a large display (5.85" FHD) and a larger battery.

Vivo X9s photo

The X9s will start shipping by the end of July 2017.

OLED type: 

5.5" / 5.89" FHD AMOLED

Kyulux - Hyperfluoresence OLED emittersKyulux - Hyperfluoresence OLED emitters