Blackview Philippines Facebook page recently posted a status post/teaser on the upcoming arrival of Blackview Zeta.
Blackview Zeta has Android 4.4 Kitkat OS, 5 inch IPS HD display, 1.4 GHz Mediatek MT6592 octa-core processor, 8 MP rear camera with flash, 5 MP selfie camera, 1 GB RAM, 8 GB ROM, dual SIM and micro SD support up to 32 GB.
Unfortunately, no info yet on it's release date and official SRP but expect an update at this blog post soon.