[TOOL][05.05.12]SE Bootloader Unlocking by quangnhut123[V1.6]
Found this tool in the Xperia mini forums!
looks really handy and can do a lot of things like Unlock bootloader, Root, CWM and modify kernel even for .62
and supports Xperia neo V (MT11i) too
THIS TOOL USES OFFICIAL METHOD TO UNLOCK YOUR BOOTLOADER
Check this thread : HERE