The summer of 2018 was an exciting period for envelope-pushing smartphone designs and camera setups. First the vivo NEX arrived with a pop-up selfie shooter just to be overshadowed by the Oppo Find X a while. According to a popular Chinese leakster, both companies are planning to bring the periscope selfie camera design to their next flagships, meaning vivo X25 and Oppo R19 are likely to have pop-up cameras and all-screen fronts. The source revealed factory parts and molds are being prepared for the new designs. Oppo is likely going for the same solution with the whole top side...