no, your firmware is too new and has fixed the loop hole which allowed unlocking.
Originally Posted by redeyss
If you can downgrade to a previous firmware version you have a chance,
if its still intetop unlocked then it will also work, the app WinTT is the answer but you must have interop unlock for it to work (and WP7 Root tools)
note that if you have interop unlock in place BEFORE the samsung firmware then it will persist, just make sure you apply the relock prevent patch if you install the tango updates :)