Sony Xperia M4 Aqua has a 5″ display with a 720p resolution. It is powered by a 64-bit Octa Core processor and 2GB of RAM. It has a 13-megapixel Exmor RS camera on the back and a 5-megapixel selfie shooter on the front. Sony Xperia M4 Aqua is IP65 and IP68 certified, which allows it to be submerged in 1.5m of water for up to 30 minutes without taking any damage. Sony is of the opinion of that M4 Aqua guarantees 2 days of battery life.
Although Sony Xperia M4 Aqua runs on Android Lollipop, Sony is seeding a new Android Lollipop update with build number 26.1.A.3.111. According to Sony, this update improves general software stability, improves camera stability and it includes the latest security enhancement. This update can be installed manually. A guide is given below.