How To Use Secret Codes On Samsung Galaxy Note8

*#34971539# – Shows the phone’s camera module part numbers and firmware versions. Useful to verify if a camera replacement was done with genuine parts.

Now that you know how to enter secret codes and have a list of useful codes, let's explore some of the benefits and uses: How to Use Secret Codes on SAMSUNG Galaxy Note8

You may type a code and see "Connection problem or invalid MMI code." Here is why: *#34971539# – Shows the phone’s camera module part

*#12580*369# – Displays your Note8’s exact firmware version, RF cal date, and hardware revision. Useful for checking if a refurbished unit has mismatched parts. RF cal date

On the Note8, these codes typically start with *# and end with # . When you type the final # , the command executes instantly—no need to press the call button.