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With Xperia Z4 (Z3+), Sony cracks the case of operating the screen on a wet phone

By Daniel Petrov

Updated: Jun 04, 2015, 3:51 AM

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With Xperia Z4 (Z3+), Sony cracks the case of operating the screen on a wet phone

Waterproof phones are the greatest invention since Ziplock bags, and some, like Sony, even managed to make them thin and slender - a far cry from the fat rugged slabs of yesteryear. There is one annoying issue with a phone that can get wet deeper and longer than others, though, namely the chaotic operation of a touchscreen with water droplets on it. Once the finger slides over a wet portion of the screen, the laws of physics change dramatically, and the touch sensitivity goes all over the place, either failing to register something at all, or responding far from what you intended to do.

No more, said Sony with its newest Xperia Z4 (Z3+) flagship, and developed a touchscreen algorithm specifically geared towards operating the screen with wet hands. The welcome invention has something to do with updated touch drivers and sensitivity adjustments, but in any case, the resulting responsiveness is pretty great, as you can see for yourself in the brief demo below - the finger taps and swipes get tracked almost precisely where they land, regardless of the sprinkled touchscreen of the Xperia Z4. Nice one, Sony.

source: RingHK via XperiaBlog

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Daniel, a devoted tech writer at PhoneArena from 2010 to 2025, has been engrossed in mobile technology since the Windows Mobile era. His expertise spans mobile hardware, software, and carrier networks, and he's keenly interested in the future of digital health, car connectivity, and 5G. Beyond his professional pursuits, Daniel finds balance in travel, reading, and exploring new tech innovations, while contemplating the ethical and privacy implications of our digital future.