Use the web flasher to get open source firmware for your LV06:
https://un-painted-org.github.io/bitaxe-web-flasher/
no need for python installation
there is even a web flasher for the LV07 (and the LV06) to get open source firmware:
I fixed it: LV07 with open source firmware!
https://github.com/un-painted/ESP-Miner-TCH/releases