New videos about the operating system have appeared on our YouTube channel Android. We present to your attention a review of the waterproof smartphone Samsung Galaxy A3 2017, equipped with a 4.7-inch HD display, an eight-core 1.6 GHz Samsung Exynos processor, a main 13 MP camera and an 8 MP front camera, 16 GB of internal memory and 2 GB of RAM, support for 4G / LTE networks and two SIM cards and a fingerprint scanner: