Sony Mobile proudly unveils Xperia M4 Aqua at the Mobile World Congress 2015, This well-equipped smartphone in a waterproof case is basically a successor to the Xperia M2 Aqua . The new model was provided with more recent hardware updates as the previous model was already much aged. What makes the Sony Xperia M4 Aqua so special is dust and waterproof housing that is IP65 and IP68 certified. It can be used up to 30 minutes in a water depth of 1.5 meters. The back of Sony Xperia M4, also known as the new M4 Aqua is made of scratch-resistant glass, so that it is similar in appearance to the current Xperia Z -top models. The housing is of high quality and the device fits comfortably in your hand. Sony M4 Aqua smartphone has a 5.0 inch touchscreen bearing 1280 x 720 pixels, display size is not very much outstanding for the price but still it's reasonably appropriate. Sony Xperia Aqua display is made of scratch resistant mineral glass to prevent scratches and damage. Equipped with a Qualcomm octa-core Sony's Xperia M4 Aqua bears a Snapdragon 615 processor, which consists of two quad-core units. The one running at a clock speed of 1GHz and the other with 1.5 GHz. Sony Xperia's M4 Aqua is loaded with 2 GB of RAM, along with a 13 megapixel camera with autofocus having Exmor RS sensor and LED light. On the front of Xperia M4's Aqua Edition there is a 5-megapixel camera ready to present you with some awesome selfies. Loaded with Android 5.0.2 aka Lollipop. It runs Sony's own user interface, which has been adapted to the lollipop look. Sony Xperia M4 Aqua's gorgeous looks are for those who emphasis on a waterproof smartphone and do not want to pay a lot of money. One currently does not have a lot of choices on the market and with Xperia M4 Aqua, now sony has introduced a decent water resistant machine with good hardware.