Here is a categorized list of the most reliable and useful Samsung secret codes. These codes work on a wide range of devices, from older Galaxy S and Note series to the latest Galaxy Z Fold, Z Flip, A, and M series models [14†L11].
Opens the FuelGauge network. It displays deep battery metrics including current voltage, health status, temperature, and charging rack status.
Are you trying to (like screen or battery issues)? Let me know how you would like to proceed! AI responses may include mistakes. Learn more Share public link
The menu provides tools to test the earpiece, main bottom-firing speaker, and microphone arrays at various frequencies to isolate crackling audio or hardware failures. Why Use the Calculator Code Instead of Dialer Codes? samsung calculator secret codes
Type (+30012012732+ and navigate to "Sensor" then "Battery." Check the cycle count. A battery with over 500 cycles is degraded. Also run the dead pixel test (+498+ to spot screen burns before your return window closes.
What works on a Galaxy S24 Ultra may not work on a Galaxy A15. Samsung segments features between flagship and budget lines. If a code fails, your device likely doesn’t support that hardware diagnostic.
While Samsung calculator secret codes can be useful, there are some precautions to keep in mind: Here is a categorized list of the most
This guide provides a comprehensive and up-to-date list of Samsung secret codes for 2026, explaining exactly what each code does, how to use them safely, and what to do if a code doesn't work for you.
You might be wondering: Why use the calculator when I can just dial codes?
Beyond the direct calculator codes, these diagnostic codes (often entered into the Dialer, but relevant to the same "hidden" system testing menu) are crucial for Samsung troubleshooting: *#2663# Dr.Fone Light Sensor Test: *#0589# Dr.Fone Vibration and Backlight Test: *#0842# Dr.Fone Camera Firmware Menu: *#34971539# Dr.Fone Default Service Mode: *#197328640# Dr.Fone 4. The Hidden "Tip" Functionality (Calculator Feature) It displays deep battery metrics including current voltage,
: Allows you to force-update the firmware for your touchscreen, Wi-Fi module, and camera. Why Use the Calculator Method Instead of the Dialer?
Samsung Calculator Secret Codes: Hidden Diagnostic and Functional Tools
Enter (+30012012732 exactly as written, including the opening parenthesis and the plus sign. Trigger the Action: Type the final + sign.