[Sony Xperia S, Acro S, Ion] atulalex:
There is good news and bad news.

Good news is successfully flashed new stock ROM into the xperia

Bad news is that it still not switching on.. It is stuck at "Black screen with backlight on, bootloops with RED LED". No screen at all.

Considering the chances, do you know how I can identify if its a faulty screen issue? Anyone came across that?

10/017/2013 17:17:47 - INFO - Selected LT26i_6.1.A.2.50_1257-5499_WORLD.ftf

10/017/2013 17:17:47 - INFO - Preparing files for flashing

10/017/2013 17:17:47 - INFO - Please connect your device into flashmode.

10/020/2013 17:20:50 - INFO - Device connected in flash mode

10/020/2013 17:20:51 - INFO - Opening device for R/W

10/020/2013 17:20:51 - INFO - Reading device information

10/020/2013 17:20:51 - INFO - Phone ready for flashmode operations.

10/020/2013 17:20:51 - INFO - Current device : LT26i - CB511XGABF - 1257-8080_R8G - 1252-0023_6.1.A.2.55 - WORLD_6.1.A.2.55

10/020/2013 17:20:51 - INFO - Start Flashing

10/020/2013 17:20:51 - INFO - Processing loader

10/020/2013 17:20:51 - INFO - Checking header

10/020/2013 17:20:51 - INFO - Flashing data

10/020/2013 17:20:53 - INFO - Loader : S1_Root_de72 - Version : R5C004 / Bootloader status : ROOTABLE

10/020/2013 17:20:53 - INFO - Disabling final data verification check

10/020/2013 17:20:55 - INFO - Processing kernel.sin

10/020/2013 17:20:55 - INFO - Checking header

10/020/2013 17:20:55 - INFO - Flashing data

10/021/2013 17:21:02 - INFO - Ending flash session

10/021/2013 17:21:02 - INFO - Flashing finished.

10/021/2013 17:21:02 - INFO - Please unplug and start your phone

10/021/2013 17:21:02 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings

10/021/2013 17:21:03 - INFO - Device connected in flash mode

10/021/2013 17:21:21 - INFO - Device disconnected

10/021/2013 17:21:27 - INFO - Device connected in flash mode

10/021/2013 17:21:36 - INFO - Device disconnected

10/023/2013 17:23:07 - INFO - Selected LT26i_6.1.A.2.50_1257-5499_WORLD.ftf

10/023/2013 17:23:07 - INFO - Preparing files for flashing

10/026/2013 17:26:49 - INFO - Please connect your device into flashmode.

10/034/2013 17:34:12 - INFO - Device connected in flash mode

10/034/2013 17:34:13 - INFO - Opening device for R/W

10/034/2013 17:34:13 - INFO - Reading device information

10/034/2013 17:34:13 - INFO - Phone ready for flashmode operations.

10/034/2013 17:34:13 - INFO - Current device : LT26i - CB511XGABF - 1257-8080_R8G - 1252-0023_6.1.A.2.55 - WORLD_6.1.A.2.55

10/034/2013 17:34:13 - INFO - Start Flashing

10/034/2013 17:34:13 - INFO - Processing loader

10/034/2013 17:34:13 - INFO - Checking header

10/034/2013 17:34:13 - INFO - Flashing data

10/034/2013 17:34:15 - INFO - Loader : S1_Root_de72 - Version : R5C004 / Bootloader status : ROOTABLE

10/034/2013 17:34:15 - INFO - Disabling final data verification check

10/034/2013 17:34:17 - INFO - Processing partition-image.sin

10/034/2013 17:34:18 - INFO - Checking header

10/034/2013 17:34:18 - INFO - Flashing data

10/034/2013 17:34:20 - WARN - This file is ignored : simlock.ta

10/034/2013 17:34:20 - INFO - Processing kernel.sin

10/034/2013 17:34:20 - INFO - Checking header

10/034/2013 17:34:20 - INFO - Flashing data

10/034/2013 17:34:24 - INFO - Processing fotakernel.sin

10/034/2013 17:34:24 - INFO - Checking header

10/034/2013 17:34:24 - INFO - Flashing data

10/034/2013 17:34:27 - INFO - Processing amss_fs_2.sin

10/034/2013 17:34:27 - INFO - Checking header

10/034/2013 17:34:28 - INFO - Flashing data

10/034/2013 17:34:29 - INFO - Processing amss_fs_1.sin

10/034/2013 17:34:29 - INFO - Checking header

10/034/2013 17:34:29 - INFO - Flashing data

10/034/2013 17:34:31 - INFO - Processing amss_fsg.sin

10/034/2013 17:34:31 - INFO - Checking header

10/034/2013 17:34:31 - INFO - Flashing data

10/034/2013 17:34:32 - INFO - Processing apps_log.sin

10/034/2013 17:34:32 - INFO - Checking header

10/034/2013 17:34:32 - INFO - Flashing data

10/034/2013 17:34:35 - INFO - Processing system.sin

10/034/2013 17:34:35 - INFO - Checking header

10/034/2013 17:34:35 - INFO - Flashing data

10/037/2013 17:37:16 - INFO - Processing userdata.sin

10/037/2013 17:37:16 - INFO - Checking header

10/037/2013 17:37:16 - INFO - Flashing data

10/037/2013 17:37:27 - INFO - Processing cache.sin

10/037/2013 17:37:27 - INFO - Checking header

10/037/2013 17:37:27 - INFO - Flashing data

10/037/2013 17:37:33 - INFO - Ending flash session

10/037/2013 17:37:33 - INFO - Flashing finished.

10/037/2013 17:37:33 - INFO - Please unplug and start your phone

10/037/2013 17:37:33 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings

10/037/2013 17:37:33 - INFO - Device connected in flash mode

10/037/2013 17:37:49 - INFO - Device disconnected

The second last line says " For flashtool, Unknown Sources and Debugging must be checked in phone settings", I don't know if this means that the flash was unsuccessful.