non pas d installation de driver et voila tout se que me marque flashtool
25/050/2012 20:50:31 - INFO - <- This level is successfully initialized
25/050/2012 20:50:31 - INFO - Flashtool Version 0.9.0.0 built on 2012-07-19 22:57:15
25/050/2012 20:50:31 - INFO - You can drag and drop ftf files here to start flashing them
25/050/2012 20:50:36 - INFO - Device connected with USB debugging off
25/050/2012 20:50:36 - INFO - For 2011 devices line, be sure you are not in MTP mode
25/050/2012 20:50:43 - INFO - Selected Xperia S (LT26i)_6.1.A.0.454_Orange.ftf
25/050/2012 20:50:43 - INFO - Preparing files for flashing
25/051/2012 20:51:46 - INFO - Please connect your device into flashmode.
25/051/2012 20:51:51 - INFO - Device disconnected
25/052/2012 20:52:19 - INFO - Opening device for R/W
25/052/2012 20:52:19 - INFO - Start Flashing
25/052/2012 20:52:19 - INFO - Flashing loader
25/052/2012 20:52:19 - INFO - Ending flash session
25/052/2012 20:52:19 - ERROR -
25/052/2012 20:52:19 - ERROR - Error flashing. Aborted
25/052/2012 20:52:20 - ERROR - Drivers need to be installed for connected device.
25/052/2012 20:52:20 - ERROR - You can find them in the drivers folder of Flashtool.
25/052/2012 20:52:33 - INFO - Device disconnected
25/052/2012 20:52:38 - INFO - Device connected with USB debugging off
25/052/2012 20:52:38 - INFO - For 2011 devices line, be sure you are not in MTP mode
tout et la