Dummy in need. Request your Wisdom. - XPERIA X10 Q&A, Help & Troubleshooting

Dear developers,
I would like to ask for your help, since I, like others, have messed up my X10i.
***Note, I am a newbie. Before trying anything, the X10i had latest Sony stock GB 2.3.3***
First, phone got rooted & bootloader unlocked, via flashtool.
Then,
I installed this: http://forum.xda-developers.com/showthread.php?t=1780398. It worked.
But, since I am in the process of testing & learning different things, decided I wanted to test that I could revert to the stock rom, which I had hoped it was backed up correctly with ClockWorkMod. Something must have gone wrong. Stuck at SE logo (sphere).
Later,
I figured I should try and flash the X10_V1_BLRelock_oemkernel.ftf ( i assumed that was the stock one, in the C:\Flashtool\firmwares folder).The ICS 4.0.4. rom I had flashed, previously, would require the kCernel-CM9-v03.ftf (however, since wi-fi would not work, I changed to: X10_CUSTOM_kernel.ftf).
Thus, after flashing to the X10_V1_BLRelock.ftf kernel, now stuck at the SE logo (letters: Sony Ericsson). Problem is that now in flashtool I get:
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19/048/2012 16:48:18 - INFO - <- This level is successfully initialized
19/048/2012 16:48:18 - INFO - Flashtool Version 0.8.6.0 built on 2012-06-13 08:08:54
19/048/2012 16:48:18 - INFO - You can drag and drop ftf files here to start flashing them
19/048/2012 16:48:23 - INFO - Device connected in flash mode
19/048/2012 16:48:33 - INFO - Device disconnected
19/048/2012 16:48:36 - INFO - Device connected with USB debugging off
19/048/2012 16:48:36 - INFO - For 2011 devices line, be sure you are not in MTP mode
19/048/2012 16:48:49 - INFO - Device connected with USB debugging on
19/048/2012 16:48:49 - ERROR - Cannot identify your device.
19/048/2012 16:48:49 - INFO - Selecting from user input
19/048/2012 16:48:56 - INFO - Connected device : X10
19/048/2012 16:48:56 - INFO - Installed version of busybox : N/A
19/048/2012 16:48:56 - INFO - Android version : / kernel version : - exec '/system/bin/sh' failed: No such file or directory (2) -
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PC Companion also does not detect the phone anymore.
AND,obviously phone is not recognized anymore & cant do much. Could you provide some of your wisdom to a dummy?

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Have you tried to flash Stock 2.3.3 ftf firmware with Flashtool?
For the info: BLrelock ftf is not a kernel, its to relock the bootloader again.

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G-FACE said:
Have you tried to flash Stock 2.3.3 ftf firmware with Flashtool?
For the info: BLrelock ftf is not a kernel, its to relock the bootloader again.
Click to expand...
Click to collapse
Big Thanks to G-Face for his tip. Worked out pretty easily. It was all my fault, being dumm.
*Thanks for the clarification. That's what happens when some1 is stupid . Obviously "BL" stands for bootloader and "relock" ...well duh (lmao). I choose the wrong file, and I'm sure this messed things up even more*