With FSX can you upload new camera drivers, new menus and much more.FSX can be used as a way of customizing your handset.
GDFS you should not touch, because read this:
Nice dayGDFS:This is the phones "stash", where all settings and calibration data is stored (this also goes for the firmwares IMEI-resource as well as the SIMlocks). Similar to other brands use of NVRAM (Non-Viotile Random Access Memory).





