This February Sony bid farewell to its Z line of smartphones as it introduced the new Xperia X,Xperia X Performance, and Xperia XA. And now it seems like a new member will be added to the X family at some point in the near future.We're talking about the Xperia X Premium, which according to a new rumor is going to be the successor to the Z5 Premium from last year. That particular device was the
