x10 boot problem..plz help me guys..i m worried a lot

My x10 is not turning on...it vibrates for a sec and then no lofe at all..i tried using SEUS and PC pompanion but they dont identify my device.I also tried wotan server client but it says after downloading the firmware that sin header failed at booting device...i tried using flash tool and following thing happen.pllz help me plz...

06/030/2012 20:30:14 - INFO - <- This level is successfully initialized
06/030/2012 20:30:14 - INFO - Flashtool Version 0.6.8.0 built on 2012-02-26 19:26:25
06/030/2012 20:30:14 - INFO - You can drag and drop ftf files here to start flashing them
06/030/2012 20:30:21 - INFO - Device disconnected
06/030/2012 20:30:22 - INFO - Selected X10_V1_BLRelock.ftf
06/030/2012 20:30:22 - INFO - Preparing files for flashing
06/030/2012 20:30:23 - INFO - Please connect your device into flashmode.
06/030/2012 20:30:34 - INFO - Device connected in flash mode
06/030/2012 20:30:35 - INFO - Opening device for R/W
06/030/2012 20:30:35 - INFO - Reading device information
06/030/2012 20:30:35 - INFO - Phone ready for flashmode operations.
06/030/2012 20:30:35 - INFO - Start Flashing
06/030/2012 20:30:35 - INFO - Flashing loader
06/030/2012 20:30:35 - ERROR - ERR_SEVERITY="MAJOR";ERR_CLASS="SECURITY_CLASS";ERR_DYNAMIC="SIN header verification failed"
06/030/2012 20:30:35 - ERROR - Error flashing. Aborted
06/030/2012 20:30:36 - INFO - Device connected in flash mode
06/030/2012 20:30:37 - INFO - Device disconnected
06/030/2012 20:30:38 - INFO - Device connected in flash mode