- 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 the ROM update url inside <sw_url></sw_url> tag.