OPPO A8 vs. OPPO A91: both come with competitive prices Before the launch of the Reno3 series, OPPO adds two new A-series models in China with the A91 and A8. The A91 shares a lot in common with the Reno2 F, though you get a waterdrop notch instead of a pop-up camera and a smaller … Continue reading OPPO Debuts MediaTek-Powered A91 and A8 Phones