Yes i deleted save folder and this build is igo8 march 16, 2011.
1 i made igo8 folder in root of sdcard
2: i copied all the files to sd card
3: i edited sys.txt file and chnged interface 800 by 480
4: There was no save folder in the build at the moment.
5: run program and got set voice and got error load main screen and program crashed.
please help me