cuando lo utilizo me sale
6/041/2012 20:41:11 - INFO - Finished Fastboot Toolbox
16/041/2012 20:41:12 - INFO - Device disconnected
16/041/2012 20:41:40 - INFO - Device connected in flash mode
16/042/2012 20:42:08 - INFO - Selected MT11i_4.1.A.0.562_CUSTOMIZED-NCB-Nordic.ftf
16/042/2012 20:42:08 - INFO - Preparing files for flashing
16/042/2012 20:42:21 - INFO - Device disconnected
16/042/2012 20:42:37 - INFO - Device connected with USB debugging off
16/042/2012 20:42:37 - INFO - For 2011 devices line, be sure you are not in MTP mode
16/042/2012 20:42:49 - ERROR - Error preparing files
alguien sabe porque es