New videos about the operating system have appeared on our YouTube channel Android. We present to your attention a review of an inexpensive UMI Diamond smartphone equipped with a 5-inch HD display, an eight-core 1.3 GHz processor MediaTek MTK 6753, a main 8 MP camera and a 2 MP front camera, 16 GB internal memory and 3 GB of RAM, support for 4G / LTE networks and two SIM cards, as well as running the operating system Android 6.0 Marshmallow: