Rafik89

I was do: ``` apt install nvidia-cuda-toolkit mkdir /usr/local/cuda cd /usr/local/cuda ln -s /usr/lib/nvidia-cuda-toolkit/bin bin ln -s /usr/include include ln -s /usr/lib/x86_64-linux-gnu lib64 ln -s /usr/share share ```

Yes, i can check this. First afternoon 😉

In my case both during backup and write. Also the write and read test in the advanced options do not allow to communicate properly with the MCU.

When i do Backup: ``` Starting read! Now is: sobota, 7 stycznia 2023 00:48:51. Flasher mode: BK7231N Going to open port: COM4. Serial port open! Getting bus... (now, please do...

This was successfully done. You made it :) With https://github.com/openshwprojects/BK7231GUIFlashTool/releases/tag/v1.0.3 works for me. **baud rate 921600:** ``` Starting read! Now is: sobota, 7 stycznia 2023 01:21:07. Flasher mode: BK7231N Going...