Vivo X300 Ultra will be launched in China on March 30 at 7 pm local time (4:30 pm IST). The smartphone maker will also unveil the new Vivo X300s on the same day. The tech firm has also revealed the design of the Vivo X300s, which is shown to feature a Zeiss-tuned triple rear camera, housed inside a circular camera module. The phone appears with a dual-tone flat back p…
