The device should appear as a USB drive. If the computer requires it, perform a quick format (FAT32).
What (Windows 10, 11, Mac, Linux) are you using to flash it? Share public link fnirsi dsotc2 firmware
The FNIRSI DSO-TC2 typically utilizes a CH552 or similar microchip architecture, requiring specific flashing software often bundled with the firmware download package. Step 1: Download the Official Firmware Package The device should appear as a USB drive
Replace the battery if it fails to hold a charge after a few years. Share public link The FNIRSI DSO-TC2 typically utilizes
The screen may remain black or display an upgrade prompt, indicating it is ready. Step 3: Connect to the PC
During a standard PC software connection (not U-disk mode), the device buttons will remain locked and inoperable.
FNIRSI occasionally posts beta firmware on their blog section. This is useful if you are chasing a specific bug fix not yet in the stable release.