| Code to Type in Calculator | Function | | :--- | :--- | | (+498+ | – Cycles full-screen colors: black, white, red, green, blue. Tap screen to advance. | | (+147+ | Touchscreen Grid Test – Draw on the screen to see if there are any dead zones or ghost touches. | | (+555+ | Edge Panel Test – Specifically for Galaxy Edge models (S7 Edge, S8, S9+, Note series). Tests the curved edge response. |
For years, the humble calculator app on Samsung Galaxy smartphones has been viewed as a simple tool—something you open to split a dinner bill, calculate a tip, or figure out square footage. But beneath that clean, numeric interface lies a powerful secret. Hidden within the Samsung Calculator is a portal to the phone’s deepest engineering menus, diagnostic tools, and service settings. samsung calculator secret codes
