Historically, mobile manufacturers have embedded hidden menus into their devices for technician and developer use. While most of these "secret codes" are traditionally entered into the app's dialer—such as the well-known *#0*# for hardware diagnostics—Samsung has integrated specific, non-obvious features directly into the calculator interface. This reflects a design philosophy that maximizes the utility of stock applications without cluttering the main user interface. Discoverable "Secrets" Within the Interface
Many of what users refer to as "secret codes" in the calculator are actually tucked-away tools designed for daily convenience. samsung calculator secret codes
Touching these can hard-brick your phone or render it unable to connect to any cellular network. samsung calculator secret codes
Open the Calculator app and type (+30012012732+ . samsung calculator secret codes