Did you make a long calculation and need to see the steps again?
You enter a numeric passcode followed by a special character (like the = button) to unlock a hidden file folder.
This is the most comprehensive testing suite available on Samsung devices. It allows manual verification of every physical asset on the phone. Key Tests Available: samsung calculator secret codes
: Shows your unique device identifier, crucial if the phone is lost. : Delete dumpstate/logcat files to clear storage. Battery Status : Shows real-time ADC and RSSI readings for the battery. Firmware Info : Displays the current software version and model number. TSP FW Update : Refreshes Wi-Fi and touch screen firmware.
Unlike standard USSD codes (like *#06# for an IMEI) that work in the dialer app, Samsung has embedded a secondary hidden interpreter inside its Calculator app. By typing specific mathematical formulas or decimal sequences into the calculator and tapping the "Equals" (=) button, you trigger hidden activities, hardware tests, and engineering modes that are otherwise inaccessible to the average user. Did you make a long calculation and need
Allows you to identify battery drainage issues or network connectivity problems without bringing the device into a store.
⚠️ Do not press the equals (=) sign. The moment you type the final plus (+) symbol, the calculator interface will instantly disappear, and a hardware diagnostic menu will overlay your screen. What Happens When You Trigger the Code? It allows manual verification of every physical asset
The Samsung Calculator app contains a specialized "DRParser Mode"
| Code | Function | | :--- | :--- | | *#011# | Shows (like LTE band, signal strength). | | *#*#4636#*#* | A universal Android code that opens Phone information , Battery statistics , and Usage statistics menus. | | *#*#232339#*#* | Initiates a Wi-Fi/WLAN test . | | *#*#1575#*#* | Runs a full GPS test to check satellite lock and performance. | | *#*#232331#*#* | Performs a Bluetooth test . | | *#*#0842#*#* | Tests the vibration motor and backlight . |
Samsung secret codes are powerful tools for diagnosing issues and understanding your phone on a deeper level. However, with this power comes the responsibility to use them wisely. Some codes can change critical system settings, and a few can even erase all your data. When exploring these menus, if you encounter an option you don't understand, it's always best to exit without making changes and restart your device. Use this guide as a reference, and happy exploring!