Vivo released new ads on Weibo teasing a dual-front-camera with 20 megapixel and 8 megapixel sensors for the Vivo X9 and X9 Plus smartphones, thus making them the ultimate selfie phones ever released.
http://www.notebookcheck.net/Vivo-20-8-MP-dual-front-cam-confirmed-in-Vivo-X9-und-X9-Plus-phones.182369.0.html