dear mate i just get box last week and today i start working with gdfs repair in w200 phone cid53 and im glad to say that im satisfy with that i got many sonyericsson bricked because of gdfs but i finish the gdfs repair and phone did not power on then i decide to flash phone using dcu connection and for my surprise it is pretty faster than other tools i choose right main,fs, and cda files and then i press flash botton then phone power on but says configuration error contact service provider or something like that usually in other tools that happend when you did not costumize the phone and i wonder that if i miss something in flashing procedure maybe you can help me with that and let m know if after i place the 3 files i mention i have to tick in something in order to full flash phone without that problem in the end