Sony launched Xperia M4 during MWC 2015 which is slim and has design very similar to Xperia Z3. The Aqua is added because it’s a IP68-certified device which means it is dust-tight and can last for up to 30 minutes in 1.5m deep fresh water.
Under the hood it’s a high end phone with a ...
Xperia M4 Aqua Unveiled By Sony