New videos about the operating system have appeared on our YouTube channel Android. We present to your attention a Video introduction to two models of smartphones from Samsung from its updated Galaxy A (2016) line – Samsung Galaxy A7 and A3, where the older model is equipped with a 5.5-inch Full-HD display, an eight-core 1.6 GHz processor, 13 MP main camera with optical image stabilization and 5 MP front camera, 16 GB of internal memory and 3 GB of RAM, a fingerprint scanner, support for 4G / LTE networks, and also running the operating system Android 5.1 Lollipop. While the younger model has the same set of cameras and internal memory, but without a fingerprint scanner, less RAM – 1.5 GB and a smaller diagonal (4.7) and resolution (HD) display: