vivo has finally confirmed the launch date for its flagship camera-focused smartphone, the X300 Ultra, following weeks of teasers and its showcase at MWC 2026. The company has also unveiled the phone’s rear design. In addition, vivo offered a first look at the X300s, which is set to debut alongside the Ultra. In a post on Weibo, vivo revealed that the X300 Ultra and the X300s would debut in China on March 30. Alongside the announcement, vivo Product Manager Han Boxiao shared a first look at the rear panels of both devices. The vivo X300 Ultra and X300s are shown in a new ‘Film...