hi guys i have made this thread for i9100 models but should do it for i9100g as well.please follow instructions and download firmware specifically for i9100G instead of i9100 in the download section.leave a comment and press thanks for my effort to help you.
http://xdaforums.com/showthread.php?p=28543652#post28543652
http://xdaforums.com/showthread.php?p=28543652#post28543652
