The Vivo X300 series is all set to go official in the global markets today (October 30), comprising X300 and X300 Pro models. The handsets were introduced in China last week as the successor to the Vivo X200 series. The brand has teased several details about the handsets, including their chipsets, in the weeks leading up to the launch. The Vivo X300 and Vivo X300 Pro …The Vivo X300 series is all set to go official in the global markets today (October 30), comprising X300 and X300 Pro models. The handsets were introduced in China last week as the successor to the Vivo X200 series. The brand has teased several details about the handsets, including their chipsets, in the weeks leading up to the launch. The Vivo X300 and Vivo X300 Pro …