This year, Sony surprised us with not just the Xperia XZ2 but the Xperia XZ3. You might think that this quick double release would mean we’ll be left waiting a while for an XZ4, but apparently not.

We’ve already seen renders based on leaks, but the latest images give us a clear look at the back of the phone. These come via a leaker with an extremely strong track record – @UniverseIce –  and show a handset with a long and thin 21:9 aspect ratio. Like the shift from 16:9 to 18:9, the rationale seems to be about giving more screen space without making it more difficult to hold.
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