The Oppo A77 is official. Oppo made the announcement over on its Taiwanese website and will open up pre-orders in Taiwan starting May 19. The A77 packs much better specs compared to its predecessor with a 5.5" screen of a higher 1920x1080px resolution, a larger 3,200mAh battery, an octa-core 1.5GHz MediaTek MT6750T chipset and more RAM - 4GB. There's a hybrid SIM slot housing either two SIMs or a SIM and a microSD card. The two cameras on the Oppo A77 are a 13MP f/2.2 snapper on the back with phase detect autofocus and a dual LED flash and a 16MP f/2.0 selfie camera with Beauty 4.0...
Source: http://www.gsmarena.com/oppo_a77_is_official_packs_16mp_selfie_camera_with_portrait_mode-news-25076.php
