Using these codes is straightforward and does not require third-party software: Open the on your Samsung device. Type the desired code using the keypad.
: Shows the current PDA, CSC, and modem versions installed on the device. How to Use Secret Codes on SAMSUNG Galaxy S9 E...
If a code does not work, do not panic. Carriers often block certain codes for security reasons, or the code may be specific to a different Android version. Using these codes is straightforward and does not