System settings provides information about your phone, camera, screen and shortcut to access phone settings

General phone information - Device Name, Manufacturer, OS Version, Hardware Version, Firmware Version, Device Memory, Battery Level, Discharge Time, NFC Support, Battery and Physical Keyboard

Screen information - Resolution, Resolution in pixels, Screen Size, etc

Back Camera Information - Resolutions, ISO, Focus, Focus Range, Flash, Scene Modes, White Balance, Video Format and Camera Audio Format

Shortcuts - Airplane Mode, Bluetooth, Cellular, Wi-Fi, Location, Notification, Power, Camera, Lock Screen, Mail, Screen Rotation, NFC

Pin your shortcuts in start screen to get one touch access.