Yes, it only shows the battery charging animation...
And if I remove my finger when the SE logo is brighter it goes to CWM!
may be doing something wrong.. try like this..
1.switch off the phone
2.wait for 30 secs while your phone is switch off!!
3.hold volume up button then insert the micro usb cable to ur phone and other end should be plugged in pc usb already!!
4.then u will be seeing a blue notification light.
thats it you will be in flash mode
for us this method is working try it once tell the result...
---------- Post added at 05:40 PM ---------- Previous post was at 05:32 PM ----------
or else i think your device cannot be unlocked with a bootloader status says Bootloader unlock allowed: NO