[Sony Xperia P, U, Sola, Go] Adityagrao:
I tried to do the same nothing is working ... I Don't know why...

Here is my flashtools log

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2/006/2013 14:06:13 - INFO - <- This level is successfully initialized

22/006/2013 14:06:13 - INFO - Flashtool Version 0.9.10.1 built on 2013-01-09 19:49:47

22/006/2013 14:06:13 - INFO - You can drag and drop ftf files here to start flashing them

22/006/2013 14:06:21 - INFO - Device connected with USB debugging on

22/006/2013 14:06:23 - INFO - Connected device : LT22

22/006/2013 14:06:23 - INFO - Installed version of busybox : N/A

22/006/2013 14:06:23 - INFO - Android version : 4.0.4 / kernel version : 3.0.8+ / Build number : 6.1.1.B.1.75

22/007/2013 14:07:37 - INFO - Selected Xperia P LT22_6.1.B.0.599_Kernel.ftf

22/007/2013 14:07:37 - INFO - Preparing files for flashing

22/007/2013 14:07:37 - INFO - Please connect your device into flashmode.

22/007/2013 14:07:41 - INFO - Device disconnected

22/008/2013 14:08:11 - INFO - Device connected in flash mode

22/008/2013 14:08:11 - INFO - Opening device for R/W

22/008/2013 14:08:11 - INFO - Reading device information

22/008/2013 14:08:11 - INFO - Phone ready for flashmode operations.

22/008/2013 14:08:11 - INFO - Current device : LT22i - CB511ZU966 - 1261-7821_R2G - 1254-4233_6.1.1.B.1.75 - WORLD_6.1.1.B.1.75

22/008/2013 14:08:11 - INFO - Start Flashing

22/008/2013 14:08:11 - INFO - Processing loader

22/008/2013 14:08:11 - INFO - Checking header

22/008/2013 14:08:11 - INFO - Flashing data

22/008/2013 14:08:12 - INFO - Loader : S1_Root_3065 - Version : R5E003 / Bootloader status : ROOTABLE

22/008/2013 14:08:12 - INFO - Disabling final data verification check

22/008/2013 14:08:12 - INFO - Ending flash session

22/008/2013 14:08:12 - INFO - Flashing finished.

22/008/2013 14:08:12 - INFO - Please unplug and start your phone

22/008/2013 14:08:12 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings

22/008/2013 14:08:13 - INFO - Device connected in flash mode

22/008/2013 14:08:21 - INFO - Device disconnected

22/009/2013 14:09:13 - INFO - Device connected with USB debugging on

22/009/2013 14:09:14 - INFO - Connected device : LT22

22/009/2013 14:09:14 - INFO - Installed version of busybox : N/A

22/009/2013 14:09:14 - INFO - Android version : 4.0.4 / kernel version : 3.0.8+ / Build number : 6.1.1.B.1.75

22/012/2013 14:12:06 - INFO - Device disconnected

22/012/2013 14:12:32 - INFO - Device connected with USB debugging on

22/012/2013 14:12:32 - INFO - Connected device : LT22

22/012/2013 14:12:32 - INFO - Installed version of busybox : N/A

22/012/2013 14:12:32 - INFO - Android version : 4.0.4 / kernel version : 3.0.8+ / Build number : 6.1.1.B.1.75

22/013/2013 14:13:28 - INFO - Selected Xperia P LT22_6.1.1.b.1.75_Kernel.ftf

22/013/2013 14:13:28 - INFO - Preparing files for flashing

22/013/2013 14:13:28 - INFO - Please connect your device into flashmode.

22/013/2013 14:13:37 - INFO - Device disconnected

22/013/2013 14:13:55 - INFO - Device connected in flash mode

22/013/2013 14:13:55 - INFO - Opening device for R/W

22/013/2013 14:13:55 - INFO - Reading device information

22/013/2013 14:13:55 - INFO - Phone ready for flashmode operations.

22/013/2013 14:13:55 - INFO - Current device : LT22i - CB511ZU966 - 1261-7821_R2G - 1254-4233_6.1.1.B.1.75 - WORLD_6.1.1.B.1.75

22/013/2013 14:13:55 - INFO - Start Flashing

22/013/2013 14:13:55 - INFO - Processing loader

22/013/2013 14:13:55 - INFO - Checking header

22/013/2013 14:13:55 - INFO - Flashing data

22/013/2013 14:13:56 - INFO - Loader : S1_Root_3065 - Version : R5E003 / Bootloader status : ROOTABLE

22/013/2013 14:13:56 - INFO - Disabling final data verification check

22/013/2013 14:13:56 - INFO - Ending flash session

22/013/2013 14:13:56 - INFO - Flashing finished.

22/013/2013 14:13:56 - INFO - Please unplug and start your phone

22/013/2013 14:13:56 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings

22/013/2013 14:13:57 - INFO - Device connected in flash mode

22/014/2013 14:14:01 - INFO - Device disconnected

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