New videos about the operating system have appeared on our YouTube channel Android. We present to your attention a video review of a smartphone Doogee Y300 equipped with a 5-inch HD display, a quad-core processor MediaTek MT6735, a main 8 MP camera and a 5 MP front camera, 32 GB of internal memory and 2 GB of RAM, support for 4G / LTE networks and two SIM cards, as well as running the operating system Android 6.0 Marshmallow: