Sony XPERIA M4 Aqua waterproof test

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XPERIA M4 Aqua firmware - http://xperiafirmware.com/8-firmware/97-sony-xperia-m4-aqua-e2303 XDA - http://forum.xda-developers.com/m4-aqua/general/sony-xperia-m4-aqua-waterproof-test-t3118591