Operating System (OS)
OS => Operating System responsible for all basic operations of the device ( smartphone, PDAs, tablet computers, drones, smartwatch and other handheld devices). The Operating System manages and controls the functions of the hardware components of the computing device. There are numbers of OS such as Android, Windows, iOS, BlackBerry and more.
Android 7.1.2 Nougat OS
Android 8.0 Oreo OS
phone, music, SMS, calendar, clock, Notes, recorder, mail, app Store, Game centre, Browser, Gallery, Set up, Calculator, camera, the weather, search for, File Manager, Phone management, Joy Cloud Services, remote Assistance, step, HandShaker, screen record, Smartisan Forum, Read the hammer,Today's headlines, Flag fiction book, BiHiroshi, US Mission, Dr. Ding Xiang, Public comment, IQIYI, Jingdong phone
Audio Player, Google Play Store, Google Maps, Google Navigation, Flashlight, Email, Clock, E-book, Calendar, Calculator, Notebook, World Clock, Stopwatch, Browser, FM Radio, Sound Recorder