I bricked my Xperia Tipo Dual badly. I was getting the error code:
ERR_SEVERITY="MAJOR";ERR_CODE="0019";ERR_DYNAMIC="SIN header verification failed";
Full Flashtool Log is shown below:
05/022/2014 18:22:06 - INFO - <- This level is successfully initialized
05/022/2014 18:22:06 - INFO - Flashtool Version 0.9.14.0 built on 12-02-2014 22:45:00
05/022/2014 18:22:13 - INFO - Device disconnected
05/022/2014 18:22:17 - INFO - Please connect your device into flashmode.
05/022/2014 18:22:23 - INFO - Bootloader unlock canceled
05/023/2014 18:23:18 - INFO - Selected Bundle for ST26 Tipo. FW release : 11.0.A.0.16. Customization : UK_Generic
05/023/2014 18:23:18 - INFO - Preparing files for flashing
05/023/2014 18:23:54 - INFO - Please connect your device into flashmode.
05/024/2014 18:24:04 - INFO - Device connected in flash mode
05/024/2014 18:24:05 - INFO - Opening device for R/W
05/024/2014 18:24:07 - INFO - Reading device information
05/024/2014 18:24:07 - INFO - Phone ready for flashmode operations.
05/024/2014 18:24:07 - INFO - Current device : Unknown: Jul 30 2012/22:15:07 - YT90057JYY - Unknown: Jul 30 2012/22:15:07 - Unknown: Jul 30 2012/22:15:07 - Unknown: Jul 30 2012/22:15:07
05/024/2014 18:24:07 - INFO - Start Flashing
05/024/2014 18:24:07 - INFO - Processing loader.sin
05/024/2014 18:24:07 - INFO - Checking header
05/024/2014 18:24:07 - INFO - Ending flash session
05/024/2014 18:24:07 - ERROR - ERR_SEVERITY="MAJOR";ERR_CODE="0019";ERR_DYNAMIC="SIN header verification failed";
05/024/2014 18:24:10 - ERROR - Error flashing. Aborted
05/024/2014 18:24:07 - INFO - Device connected in flash mode
05/024/2014 18:24:21 - INFO - Device disconnected
05/025/2014 18:25:03 - ERROR - This action can only be done in fastboot mode
05/025/2014 18:25:15 - INFO - Device connected in fastboot mode
05/025/2014 18:25:28 - INFO - Selected kernel (boot.img or kernel.sin): C:\Users\Jean\Desktop\Tipo things\21i boot img\boot.img
05/025/2014 18:25:28 - INFO - Flashing selected kernel
05/025/2014 18:25:32 - INFO - sending 'boot' (20480 KB)...
05/025/2014 18:25:32 - INFO - (bootloader) USB download speed was 17288kB/s
05/025/2014 18:25:32 - INFO - OKAY [ 1.237s]
05/025/2014 18:25:32 - INFO - writing 'boot'...
05/025/2014 18:25:32 - INFO - (bootloader) Flash of partition 'boot' requested
05/025/2014 18:25:32 - INFO - (bootloader) S1 partID 0x00000003, block 0x00002000-0x0000bfff
05/025/2014 18:25:32 - INFO - (bootloader) Erase operation complete, 0 bad blocks encountered
05/025/2014 18:25:32 - INFO - (bootloader) Flashing...
05/025/2014 18:25:32 - INFO - (bootloader) Flash operation complete
05/025/2014 18:25:32 - INFO - OKAY [ 2.081s]
05/025/2014 18:25:32 - INFO - finished. total time: 3.318s
05/025/2014 18:25:32 - INFO - FASTBOOT Output:
sending 'boot' (20480 KB)...
(bootloader) USB download speed was 17288kB/s
OKAY [ 1.237s]
writing 'boot'...
(bootloader) Flash of partition 'boot' requested
(bootloader) S1 partID 0x00000003, block 0x00002000-0x0000bfff
(bootloader) Erase operation complete, 0 bad blocks encountered
(bootloader) Flashing...
(bootloader) Flash operation complete
OKAY [ 2.081s]
finished. total time: 3.318s
It turned out I was using a wrong stock ROM! I checked Sony Mobile website, I searched for the on the web, downloaded and flashed the ROM using Flashtool my Xperia Tipo Dual working now!