If you want, I can:
Official firmware and manuals can be found on the FNIRSI Download Center . The general update procedure involves:
The stock firmware (the software shipped with the device) was functional but flawed. fnirsi dsotc2 firmware
The screen will either remain blank or display an "Update Mode" message, indicating it is ready to receive data. Step 3: Configure the Flashing Tool Open your flashing software (e.g., ).
The firmware implements a simplified version of the open-source “Transistortester” by Karl-Heinz Kübbeler [2]. Key differences: If you want, I can: Official firmware and
Files starting with "CHT" or "MM" (e.g., CHT_V1.1.bin or MM_V1.1.bin ).
Launch the executable flashing software provided in the FNIRSI firmware download package. Step 3: Configure the Flashing Tool Open your
The device will typically show an "Update completed" prompt or automatically restart once the transfer is finished.
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Ghidra (version 10.4) with ARM Thumb support was used to decompile the firmware. We defined: