Yes, that's what the lgflashtool does, but if you flashed your cellphone before and the build prop has changed this is the way to flash it back.
Im 100% sure that the .tot file was for d806, because i flased the d802 and the phone booted, but restarted after 10 sec, no keyboard, etc.
Also, im from Argentina so all the devices here are d806.
Now im on Kitkat, cloudystock and dorinmax installed, so this method work to recover your dead phones or to flash if your build prop is incorrect.
THIS IS NOT MY METHOD. Just posted here and made a "tutorial". Found someone who was having the same problem on reddit and he solved it with this.