At message # 16998, OneOfEleven again provides access to your GitHub.
There you will find your FW, which allows you to clear the configuration through the menu.
You will also find the nanovna-app software. In this software, in addition to all the resources already available (there are many), you can also run clearconfig or update the FW of your nanoVNA.
73!
link #16998
/g/nanovna-users/message/16998