Before attempting to flash your device, gather the following tools to ensure a smooth, risk-free update process:
Yet, the firmware’s UX has several quirks:
Firmware updates carry inherent risk. The author and publisher are not responsible for any damage to your FNIRSI DSO-TC2. Always follow official manufacturer instructions first. fnirsi dso-tc2 firmware
Many users never update their firmware, often missing out on critical performance improvements. In fact, FNIRSI released several silent revisions of the DSO-TC2, and the firmware differs between hardware versions (v1.0, v1.1, etc.).
For advanced users, the community has occasionally explored porting custom firmware to the hardware platform underneath the DSO-TC2 shell. Before attempting to flash your device, gather the
FNIRSI periodically releases firmware updates to improve measurement accuracy and fix UI bugs. As of early 2024, the most common versions are and V0.3 .
| Problem | Likely Cause | Solution | |---------|--------------|----------| | PC doesn’t detect the device | Wrong USB cable (charge-only) | Use a data-sync cable or try a different USB port. | | Update tool shows "No device" | Not in DFU mode | Repeat the "hold OK + plug USB" sequence. Sometimes you need to hold for 10 seconds. | | Update fails at 50% | Wrong firmware for hardware revision | Double-check your hardware version. Downgrade to a previously working file if possible. | | Device won’t power on after update | Corrupted bootloader | This is a . You’ll need an ST-Link programmer to reflash the bootloader (advanced fix). | | Touchscreen acts weird after update | Calibration lost | Go to System Settings → Calibration → Follow the crosshair prompts. | Many users never update their firmware, often missing
firmware story is one of a "finished" device that rarely looks back. Unlike its successors, the
A very specific topic!
What (Windows 10, Windows 11, Mac, Linux) are you using to flash it?