Hello guys.. i got a problem right here..

I just flashed my phone (Nokia C5-03) with a different symbian.. Symbian Belle.. version for my phone, RM-697..

P.S.: i was tryin' to flash my phone via PHOENIX

but seems like it doesnt work
now my phone its dead.. nothing appear on screen.. when i'm trying to turn on my phone it just vibrating, and that's all.. and i tried to flash it with original software, but it can't be flashed what to do ? please i really need ya help..