Oppo began life in 2004 and in the early days it made its name by selling high-quality Blu-ray players, amplifiers and headphones. Its entry into the phone business came in 2012, quite late in the game. Still, the company grew quickly, becoming China's top smartphone brand in Q2 2016 (a position it since ceded to Huawei, though parent company BKK is still on top cumulatively). Oppo's short history is filled with many firsts in mobile photography. The Oppo U705T Ulike 2 claims to be the first phone with a built-in beautification feature for selfies, which was used with the 5MP front...
Source: https://www.gsmarena.com/counterclockwise_oppos_short_history_of_making_phones_is_filled_with_innovation-news-33616.php