He encontrado esto, por si os interesa:
III. (UPDATE 12.09.10)(Optional) Gain S-OFF
1. Download Unrevoked Forever after rooting the phone using Unrevoked above.
Unrevoked Forever
2. Plug in your phone via USB cable and mount the sd card so you can transfer files to it.
3. Copy the unrevoked .zip file to the root of your sd card (not in any folders just on the sd card itself).
4. Turn off the phone and boot into recovery mode by holding down Volume Down and Power then selecting Recovery.
5. Click Flash .zip from SD card and choose the Unrevoked Forever .zip file and wait for it to flash. All done, you have S-OFF.
Vale, he leido que solo es para desire cdma y las nuestras son gsm. Y solo para dos radios especificas.... Sorry
