download 1, 2, 3BS or 3IS,
1. iGO folder ( put iGO folder to internal or ext card )
2. data.zip (put data.zip to iGO folder
-. sys.txt original (put sys.txt to iGO folder)
3. 3BS .apk sys not changed install and go
(branding.zip, ux files, ux.zip it is not necessary )
HD resolution you must add lines
[rawdisplay]
highres=1
[interface]
vga=1
[debug]
double_pixel_mode=1