The Sony Xperia M4 Aqua is a water & dust proof mid-range Android smartphone developed and manufactured by Sony. The phone was unveiled along with Xperia Z4 Tablet in the press conference held by Sony during the 2015 Mobile World Congress in Barcelona, Spain, on March 2. Five months later, a successor Xperia M5 was announced. However, M4 Aqua's production still ongoing and marketed in lower range than M5.
The key feature of the phone is waterproof and dustproof, having an IP rating of IP65 and IP68. It is Sony’s first smartphone to feature an octa-core processor and also Sony’s first water-resistant smartphone to feature an exposed micro USB port (cap-less microUSB charging). Purchase a E2303The text above came from the E2303 article on Wikipedia, licensed under the CC-BY-SA license.
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