Vivo X300 Ultra is rumoured to be launched in China early next year as the top-of-the-line model in the flagship X300 series. While the company has yet to confirm the handset’s launch, it has been spotted on a certification website, which hints towards its impending debut in Europe, too. The Vivo X300 Ultra is expected to come with Qualcomm’s flagship Snapdragon 8 E…Vivo X300 Ultra is rumoured to be launched in China early next year as the top-of-the-line model in the flagship X300 series. While the company has yet to confirm the handset’s launch, it has been spotted on a certification website, which hints towards its impending debut in Europe, too. The Vivo X300 Ultra is expected to come with Qualcomm’s flagship Snapdragon 8 E…