xperia j no gsm signal

i tried flash stock ics base band , to go back to stock rom ,other custom rom and now i am on cm 10 and evreything else works but no gsm signal . when i try to flash try flashtool get this .
19/008/2015 15:08:09 - INFO - Flashtool Version 0.9.19.5 built on 17-09-2015 22:30:00
19/008/2015 15:08:09 - INFO - Executing search strategies to find proxy selector
19/008/2015 15:08:09 - INFO - No proxy found for IE. Trying next one
19/008/2015 15:08:09 - INFO - Strategy firefox failed trying next one : No Firefox installation found
19/008/2015 15:08:09 - INFO - No proxy found for java. Trying next one
19/008/2015 15:08:10 - INFO - Syncing devices from github
19/008/2015 15:08:10 - INFO - Scanning devices folder for changes.
19/008/2015 15:08:17 - INFO - Pulling changes from github.
19/008/2015 15:08:18 - INFO - Devices sync finished.
19/008/2015 15:08:22 - INFO - Device connected in flash mode
19/008/2015 15:08:32 - INFO - Selected Bundle for Sony Xperia J (ST26i). FW release : 11.0.A.3.18. Customization : Global
19/008/2015 15:08:32 - INFO - Preparing files for flashing
19/008/2015 15:08:38 - INFO - Please connect your device into flashmode.
19/008/2015 15:08:38 - INFO - Opening device for R/W
19/008/2015 15:08:38 - INFO - Reading device information
19/008/2015 15:08:39 - INFO - Phone ready for flashmode operations.
19/008/2015 15:08:39 - INFO - Opening TA partition 2
19/008/2015 15:08:39 - INFO - Current device : Unknown: Nov 12 2012/22:55:05 - YT9106N1KC - Unknown: Nov 12 2012/22:55:05 - Unknown: Nov 12 2012/22:55:05 - Unknown: Nov 12 2012/22:55:05
19/008/2015 15:08:39 - INFO - Closing TA partition
19/008/2015 15:08:39 - INFO - Start Flashing
19/008/2015 15:08:39 - INFO - Processing loader.sin
19/008/2015 15:08:39 - INFO - Checking header
19/008/2015 15:08:39 - INFO - Flashing data
19/008/2015 15:08:42 - INFO - Loader : S1_Root_a8a4 - Version : R5D030 / Boot version : R10D030 / Bootloader status : ROOTED
19/008/2015 15:08:42 - INFO - Max packet size set to 64K
19/008/2015 15:08:42 - INFO - Ending flash session
19/008/2015 15:08:42 - ERROR -
19/008/2015 15:08:42 - ERROR - Error flashing. Aborted
19/008/2015 15:08:43 - INFO - Device connected in flash mode
19/008/2015 15:08:44 - INFO - Device disconnected
19/008/2015 15:08:45 - INFO - Device connected in flash mode



can some body help plz