Before you try to flash the network firmware to your LG KC910 Renoir for the first time you’d better backup your NV. LG Cell phone Software
How to do this? Start LGMDP_EURO and get your LG Renoir connected, Then select the Tools menu then select NV BACKUP. LG-Renoir info
LGMDP Euro 1.5 build 12.14 (You need this to use & flash .DZ files.) RapidShare: Easy Filehosting
LG KC910 Renoir phone photos – LG Cell phone pictures

It is solution to crazy keypad(LG KE970 Shine). Any keys work, another not, sometimes without touching start to repeat some arbitrary digit. So that is solution… LG-Shine info
If removing J301 not solve your problem it´s because the other ic like J301 is damaged , it is placed in the left ( down) side of the scroll key.
I had the problem with keys 2,5,8 ,0 and power key ( only powered on and not off) .
The numeric keyboard is connected to the navigation keys by the flex cable that´s why the problem. LG Phone Problem and solution
If you want you can just remove it but i advice you to replace for a working one.
LG KE970 Shine keypad solution
European carrier Orange announced that it would be the first operator in Europe to offer the LG GD910 wristwatch phone at last week’s 2009 MWC. It’s rumored that the carrier will be asking £1,000 / €1,144 price per for the LG GD910 wristwatch phone, with contract, you’ll be handing over £500 and then £40 per month for what we suspect will be the next two years, although Orange has not officially given any pricing details. LG Cell phone news
LG GD910 phone photos – LG Cell phone pictures