On our YouTube channel there are new videos on the Android operating system. We present a video review smartphone Alcatel IDOL 4 equipped with a 5.2-inch Full-HD display, OCTA-core MediaTek MT6592 processor, 13 MP primary camera and 8 MP front with autofocus and backlight, 16 GB of internal memory and 3 GB of RAM, support for 4G/LTE networks and is running an operating system Android 6.0 Marshmallow