LG900GB convert GW300 and Unlock
Here is the Video see for guides
or port mapping exe find it to C:\GSMULTI
here is the software and flash file
GSMMULTI
http://www.4shared.com/file/1jllw1Lq/LG_GW_300_Flasher.html
Flash file W300
http://www.4shared.com/file/6wCKB_ZY/GW300AT-00-V10c-404-XXX-SEP-30.html
or port mapping exe find it to C:\GSMULTI
here is the software and flash file
GSMMULTI
http://www.4shared.com/file/1jllw1Lq/LG_GW_300_Flasher.html
Flash file W300
http://www.4shared.com/file/6wCKB_ZY/GW300AT-00-V10c-404-XXX-SEP-30.html