hi...i got a english version of 8850..i would like to reflashing it to much later version thus it can read and write chinese in t9 simplifed and tranditional chinese.....anyone can tell me which software do i need???i just need the chinese version flash or i need another language pack as well??? where can i get those of software???

i am a new guy in this,i dun know anythings about this,i cun find any mobile shop do the chinese flashing in newcastle,uk here coz they dun have any chinese version one,wat i mean is if i can get the software here then i just backup the software to the mobileshop and ask them to reflash for me..thanks