https://www.dekut.com/World_Business/-sony-xperia-zr-performance-will-improve-due/ Sony Mobiles is the company that was the first to come with a smart phone with waterproof design. The phone is currently available in the market and has received some firmware updates. As per the news Android 4.2.2 Jelly Mon, 05 Aug 2013 05:44:27 UTC en