Buenas!
Muchas gracias por estos tutoriales pero creo que esto sobrepasa mi inteligencia, en serio.
Edito por tercera vez porque he conseguido llegar al final pero me pone esto:
22/055/2012 02:55:11 - INFO - Selected SK17i_4.0.2.A.0.62_Baseband+Kernel.ftf
22/055/2012 02:55:11 - INFO - Preparing files for flashing
22/055/2012 02:55:11 - INFO - Please connect your device into flashmode.
22/055/2012 02:55:20 - INFO - Device connected in flash mode
22/055/2012 02:55:21 - INFO - Opening device for R/W
22/055/2012 02:55:21 - INFO - Reading device information
22/055/2012 02:55:21 - INFO - Phone reading for flashing.
22/055/2012 02:55:21 - INFO - Start Flashing
22/055/2012 02:55:21 - INFO - Flashing loader
22/055/2012 02:55:23 - INFO - Loader version : R4A066 / Bootloader status : ROOTABLE
22/055/2012 02:55:23 - INFO - Flashing amss_fs.sin
22/055/2012 02:55:23 - INFO - Flashing fota1.sin
22/055/2012 02:55:24 - INFO - Flashing kernel.sin
22/055/2012 02:55:26 - INFO - Flashing amss.sin
22/055/2012 02:55:37 - INFO - Flashing apps_log.sin
22/055/2012 02:55:37 - INFO - Flashing fota0.sin
22/055/2012 02:55:38 - INFO - Flashing adsp.sin
22/055/2012 02:55:41 - INFO - Flashing finished.
22/055/2012 02:55:41 - INFO - Please wait. Phone will reboot
22/055/2012 02:55:41 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings
22/055/2012 02:55:42 - INFO - Device connected in flash mode
22/055/2012 02:55:43 - INFO - Device disconnected
22/055/2012 02:55:44 - INFO - Device connected in flash mode
22/055/2012 02:55:48 - INFO - Device disconnected
Y el móvil sigue sin encender, claro!