I found it on Gio xda forum But it also works for lg gt540!!!!!!
http://www.mediafire.com/?1cefeyo7cje7l6p
FLASHABLE USING CWM
boot into recovery
mounts and storage
mount data
mount system
install zip from sdcard
choose the file you downloaded
flash it
reboot
enjoy
http://www.mediafire.com/?1cefeyo7cje7l6p
FLASHABLE USING CWM
boot into recovery
mounts and storage
mount data
mount system
install zip from sdcard
choose the file you downloaded
flash it
reboot
enjoy