Download official firmware/ROM updates for your LG mobile phones

• Find your mobile phone's IMEI number, type *#06# on the dial pad, and take down the IMEI number.
• In your web browser's address field, type the following address: http://csmg.lgmobile.com:9002/csmg/b2c/client/auth_model_check2.jsp?esn=XXXXXXXXXXXXXXX
  where XXXXXXXXXXXXXXX should be replaced with your IMEI number
• Load the page and view page source, you can get the ROM update url inside <sw_url></sw_url> tag.