Updating your FNIRSI DSO-TC2 firmware requires connecting it to a PC in a specific boot mode to copy over the update file. 🛠️ Update Steps
Blank Screen: If the device displays a blank screen during the upgrade, you may need to format the virtual U-disk drive before copying the file. dsotc2 firmware upd
Hardware Required:
© 2026 DSOTC2 Dev Team. Specifications subject to change without notice. Updating your FNIRSI DSO-TC2 firmware requires connecting it
while the device is off, then connect the USB cable (if not already connected) or turn it on while holding the button. Identify Your Hardware Revision: Check the sticker on
Before downloading anything, you need to know exactly what you have.
Use a reliable USB-C cable to connect the DSO-TC2 to your PC while the device is Enter Update Mode: Hold down the