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.

[citation needed] The key feature of the phone is having a waterproof and dustproof resistance of an IP rating of IP65 and IP68.

The device features a Snapdragon 615 (MSM8939) octa-core processor clocked at 1.5 GHz along with 2 GB RAM.

The Xperia M4 Aqua is Sony’s first device to come preinstalled with Android 5.0 Lollipop.

[9] Phonearena has given a score of 7 out of 10, praising the design of the phone and its price point but criticized the camera and low internal storage size of the device.