Hello :)
I've a w380i since few days (it's my 1st SE) and I've debranded it the same day I'd bought it.
I'm not sure about this, but I seem to remember the menu icons of the Vibes theme were different before debranding.
The phone came with the Tim Italy custom pack...does menu icons can anyway be related with firmware/custom pack?
Another issue I'm wondering about is: does the SE update service is still working for debranded phones?