To export the entire mmс0 you need to connect the device via RS232, and then when you start select the menu item 3 "export mmc0". But for this will require a password, which is always "fionaXXXX", where XXXX is computed by the device serial number.
I can calculate this password for the device serial number using a debugger.
To get the device ssh console via wifi use this links:
Using usbnetwork and this link you can help me repair kindle https://www.mobileread.com/forums/new...eply&p=1098785