SxU
i don't think so that there's a way (key combination) to reset (just like Nokias and SEs)
but you may turn on your phone normally, put it in modem mode, using MPT (any version) or any P2K tools to save your contacts, messages to pc (i assume u're using Win-sucks-dows)
and then get your pluck to flash!!

#if u're Indonesian and live close to Malang, you may come to my house