You can find this manual on the LG.COM site.
It is tricky to find however there maybe a quicker way but this is how I got to it.
Go to
LG Electronics UK
Select Mobile Phones then enter KC780 in search box.
You will get 1 item found so select this
Now you should be at this http
KC780 Mobile Phones Mobile Phones
Click support and then on the right side of the page drivers and software.
You then need to follow the instructions to download their front end software that lets you download the manual and also upgrade the firmware. I have tried it and it says my phone has the latest firmware.
Hope this is of help to you
I bought the phone for the camera since I never have my camera with me when I want it but I always have my phone. It takes fantastic close range pictures and the quality is breathtaking. You can take a picture of a flower and zoom right into it without loss of detail.