: Use a high-quality USB Type-C data cable. Note that standard USB-C to USB-C cables often fail for firmware transfers; a USB-A to USB-C cable is highly recommended.
Restart the device to apply the changes. You can verify the new version by checking the section in the settings menu. Troubleshooting Common Issues
: If Windows prompts you to format the drive upon connection, performing a "Quick Format" often resolves recognition issues, though it should be done with caution. dsotc2 firmware upd
: Download the official firmware packages directly from the FNIRSI Software Download Page . How to Update DSO-TC2 Firmware
Wait approximately 2 seconds after the device boots into its specialized update state. : : Use a high-quality USB Type-C data cable
: The update process typically requires Windows 10 or later.
Once the file transfer finishes, the device screen should display "Update completed". You can verify the new version by checking
: You can only update one component at a time . If you need to update both the oscilloscope and tester, you must repeat the full process for each file. Complete the Upgrade :
The FNIRSI DSO-TC2 is a versatile 2-in-1 device that combines a digital oscilloscope with a multi-component transistor tester. Keeping its firmware up to date ensures you have the latest bug fixes, improved measurement accuracy, and new features. Before starting, ensure you have the following ready: