vivo hosted its first-ever Tech Day event in India recently at the National Stadium, New Delhi, where it talked about 5G, its collaboration with ZEISS for the X80 series, and the V1+ imaging chip. The company also showcased pattern-creating and dual-color changing design technologies that haven’t been launched in the market yet. While not quite new, one of the devices at the vivo Tech Day was the vivo X Fold, which was unveiled in April and is still only available in China. We had the chance to attend the event and spend some time with the vivo X Fold, so here are some impressions of vivo’s…