Sony Xperia 1R (J8220) UA profile points to a 5K display, 5,040 x 2,160px

Sony may be working on a phone with a 5K screen - bearing the model number J8220, it is tentatively named "Xperia 1R". This could be the "Xperia 2" we've been hearing about recently. While its design is mostly unchanged from the Xperia 1, the reports of a smaller 6.1" screen sound even stranger now. The resolution (seen in a UA profile) is...