The Sony Xperia XA1 Plus is being pitched as a ‘super mid-tier smartphone’, as it slides in above the Xperia XA1 and below the Xperia XA1 Ultra in Sony’s slightly confusing middle-market range.Its main talking points are the 5.5-inch Full HD display and sizeable 3,430mAh battery, although Sony has offered up little else in terms of specs for this handset...