Just a month after the launch of Xperia Z3, the alleged hardware specifications of its successor surfaced online. The Xperia Z4 might be the only flagship from Sony to come out in 2015, and since it hasn't been revealed at the Consumers Electronic Show, we expect it to make an appearance at the upcoming Mobile World Congress in Barcelona.
We already know from previous leaks that the phone will come with some beefy specifications, but now an anonymous source says that the device will come in two versions, one with a Quad HD screen (2560 by 1440) that will be sold in the U.S., and one with a Full HD panel (1920 by 1080) that will target other markets.
In addition to this, the Xperia Z4 will reportedly have much improved water-resistant capabilities, and will not need a flap cover for the usb port, suggesting that Sony might use a superhydrophobic coating for the electronics inside, and that the battery will likely be non-removable to ensure a proper seal. The camera might also get a boost, but details on that are scarce right now.
A 5.2 inch 1080p display has a density of 443 ppi, and at 1440p it has 564ppi. While your eyes will barely notice a difference from the bump in resolution, you'll get worse battery life, something that manufacturers continue to ignore.
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