Fnirsi Dso-tc2 - Firmware [patched]

A: Not officially. However, you can use dfu-util (open-source) on Linux/Mac. The command is: dfu-util -D firmware.bin . But you must put the device in DFU mode first.

Independent developers on EEVblog Forum and GitHub have reverse-engineered the bootloader. They offer that unlock: fnirsi dso-tc2 firmware