Sony’s Xperia Z Ultra represents a great evolution of the original Xperia Z design: it’s now waterproof instead of just water-resistant, its 3.5mm headphone jack is no longer hidden behind an annoying plastic flap, and it has an aluminum frame and softer edges. It’s also thinner, at 6.5mm versus 7.9mm on the Z, and it has a Triluminous display. The only problem with the Z Ultra? It’s not actually a phone, it’s a tablet that you can sidetalk with.
The original Xperia Z was already pushing the boundaries of reasonable handset dimensions with its 5-inch screen, but the new 6.4-inch Z Ultra categorically breaks past them and strays into the territory of small tablets. That’s not necessarily a bad place to be, as it allows Sony to insert a…
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