vivo X50 Pro+ to go on pre-order on June 16

The vivo X50 family launched this week includes three phones - vanilla vivo X50, a vivo X50 Pro, and the vivo X50 Pro+. While the first two were immediately available for pre-order in China, the initial information on the availability of the mightiest of three was a vague "July". Now, we get a bit more as the X50 Pro+ appeared on the...