HOla:
Gracias por el mini tutorial Sebbas...
decidí volver a ICS, lo acabo de terminar aun no enciendo el movil, dejo el LOG del proceso con Flashtool:
09/018/2013 01:18:24 - INFO - <- This level is successfully initialized
09/018/2013 01:18:24 - INFO - Flashtool Version 0.9.11.0 built on 2013-06-04 22:50:00
09/018/2013 01:18:28 - INFO - Device disconnected
09/018/2013 01:18:36 - INFO - Selected LT26i / US / Generic
09/018/2013 01:18:36 - INFO - Preparing files for flashing
09/020/2013 01:20:57 - INFO - Please connect your device into flashmode.
09/021/2013 01:21:27 - ERROR - Drivers need to be installed for connected device.
09/021/2013 01:21:27 - ERROR - You can find them in the drivers folder of Flashtool.
09/021/2013 01:21:29 - INFO - Opening device for R/W
09/021/2013 01:21:32 - INFO - Start Flashing
09/021/2013 01:21:32 - INFO - Processing loader
09/021/2013 01:21:32 - INFO - Checking header
09/021/2013 01:21:32 - INFO - Ending flash session
09/021/2013 01:21:32 - ERROR -
09/021/2013 01:21:32 - ERROR - Error flashing. Aborted
09/021/2013 01:21:32 - INFO - Device connected in flash mode
09/021/2013 01:21:39 - INFO - Device disconnected
09/021/2013 01:21:45 - INFO - Device connected with USB debugging off
09/021/2013 01:21:45 - INFO - For 2011 devices line, be sure you are not in MTP mode
09/021/2013 01:21:57 - INFO - Flash canceled
Hice algo mal.....
Comenzé de nuevo..
09/022/2013 01:22:17 - INFO - Device disconnected
09/022/2013 01:22:34 - INFO - Selected LT26i / US / Generic
09/022/2013 01:22:34 - INFO - Preparing files for flashing
09/022/2013 01:22:53 - INFO - Please connect your device into flashmode.
09/023/2013 01:23:11 - INFO - Device connected in flash mode
09/023/2013 01:23:14 - INFO - Opening device for R/W
09/023/2013 01:23:14 - INFO - Reading device information
09/023/2013 01:23:15 - INFO - Phone ready for flashmode operations.
09/023/2013 01:23:15 - INFO - Current device : LT26i - BX9037PP3R - 1257-8080_R2H - 1252-0023_6.2.B.0.211 - WORLD_6.2.B.0.211
09/023/2013 01:23:15 - INFO - Start Flashing
09/023/2013 01:23:15 - INFO - Processing loader
09/023/2013 01:23:15 - INFO - Checking header
09/023/2013 01:23:15 - INFO - Flashing data
09/023/2013 01:23:17 - INFO - Loader : S1_Root_de72 - Version : R5C004 / Bootloader status : ROOTABLE
09/023/2013 01:23:21 - INFO - Processing partition-image.sin
09/023/2013 01:23:22 - INFO - Checking header
09/023/2013 01:23:23 - INFO - Flashing data
09/023/2013 01:23:25 - WARN - This file is ignored : simlock.ta
09/023/2013 01:23:25 - INFO - Processing kernel.sin
09/023/2013 01:23:25 - INFO - Checking header
09/023/2013 01:23:25 - INFO - Flashing data
09/023/2013 01:23:40 - INFO - Processing fotakernel.sin
09/023/2013 01:23:40 - INFO - Checking header
09/023/2013 01:23:40 - INFO - Flashing data
09/023/2013 01:23:53 - INFO - Processing amss_fs_2.sin
09/023/2013 01:23:53 - INFO - Checking header
09/023/2013 01:23:53 - INFO - Flashing data
09/023/2013 01:23:55 - INFO - Processing amss_fs_1.sin
09/023/2013 01:23:55 - INFO - Checking header
09/023/2013 01:23:56 - INFO - Flashing data
09/023/2013 01:23:57 - INFO - Processing amss_fsg.sin
09/023/2013 01:23:57 - INFO - Checking header
09/023/2013 01:23:58 - INFO - Flashing data
09/023/2013 01:23:59 - INFO - Processing apps_log.sin
09/023/2013 01:23:59 - INFO - Checking header
09/023/2013 01:23:59 - INFO - Flashing data
09/024/2013 01:24:04 - INFO - Processing cache.sin
09/024/2013 01:24:04 - INFO - Checking header
09/024/2013 01:24:04 - INFO - Flashing data
09/024/2013 01:24:15 - INFO - Processing system.sin
09/024/2013 01:24:17 - INFO - Checking header
09/024/2013 01:24:17 - INFO - Flashing data
09/028/2013 01:28:27 - INFO - Processing userdata.sin
09/028/2013 01:28:27 - INFO - Checking header
09/028/2013 01:28:27 - INFO - Flashing data
09/028/2013 01:28:55 - INFO - Ending flash session
09/028/2013 01:28:55 - INFO - Flashing finished.
09/028/2013 01:28:56 - INFO - Please unplug and start your phone
09/028/2013 01:28:56 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings
09/028/2013 01:28:56 - INFO - Device connected in flash mode
Finish
EDICION: Va muy bien... Ahora a rootear + CWM.. y a buscar alguna ROM, xq ya me aburrio ICS XD!