k800i flash information

i have k800i when powers on it only shows sony ericsson logo nd stucks there,so i have to flash the phone at here in another post i read that k800i can be flash at latest exe without logs.i had download exe from support nd now i want to know the complete procedure to flash the phone.thanx. i also want to know the complete procedure of changing cid49 to 52

do u have any box for sony ericsson flashing

i have setool box nd i need the procedure to flash k800i without log nd also to change its cid 49 to 52