use far: you should copy a SEFP plugin (Sony Ericsson Flash Plugin) in the folder where you installed Far (Far\Plugins), after, press ALT+F1 and select SEFP, chose DCU-60 at the data port, 926000 at the speed and at boot script use the one specific for your phone, the model and properly cid... and after that, you shall see 2 folders, Flash and FS, go directly to FS and there you go