On our YouTube channel there are new videos on the Android operating system. Your attention is Videoslatest two smartphone models from Samsung updated its Galaxy line A (2016) — Samsung Galaxy A7 and A3, where the older model is equipped with a 5.5-inch Full-HD display, OCTA-core 1.6 GHz processor, 13 MP main camera with optical image stabilization and 5 MP front camera, 16 GB internal memory and 3 GB of RAM, a fingerprint scanner, support for 4G/LTE networks and is running an operating system Android 5.1 Lollipop. At that time, as a younger model of the same set of cameras and internal memory, but without the fingerprint reader, less RAM — 1.5 GB and smaller on the diagonal (4.7 in) and resolution (HD) display: