Press and hold the (often the 'Start' button) and the Mode Button (or side button depending on revision) simultaneously.

Look for a virtual external disk labeled appearing on your desktop.

Once your update is successful, perform a . Enter the device settings, clear any old test leads parameters, and run the self-calibration routine with no probes attached. This ensures the new firmware accurately maps the voltage offsets of your analog frontend. If you are ready to update, let me know: Your current firmware version (visible on the boot screen) The operating system you are using for the upgrade Any specific hardware bugs you are trying to resolve

: Ensure the DSO-TC2 battery meter reads above 70% to prevent unexpected shutdowns mid-flash. Downloading Official Files Safely

Enhances menu navigation speed and screen readability. Prerequisites Before Updating

What (e.g., Windows 10, Windows 11) is your PC running?

Download the firmware package specifically labeled for the .

Flashing the firmware on the FNIRSI DSO-TC2 involves putting the device into bootloader mode and using a specific flashing utility. Step 1: Download the Official Firmware and Tools

A: Check the FNIRSI official forum. As of this writing, V2.1.4 is the most stable. V2.2.0 was beta for some time but had ADC timing issues. Always read user feedback before updating.

A: No. There is no Wi-Fi or Bluetooth module. You must use the physical microSD card method.

By following this guide, you can confidently manage the firmware on your FNIRSI DSO-TC2 and troubleshoot common issues, ensuring your device remains in top condition for all your electronic adventures.