ive never done it before.. i have have the cables to do it but not very confident..think i should give it a go..dont know how properly do i need to keep the keys and cams? from the box
what image is on it just now.as for flashing it i have only done this using ifa.easy to use just connect with null modem.you dont need to keep any keys or cams .a new image has all this.download bigmaq toolbar.plenty fo images there.there is also plenty of posts with more detailed ways to do this.hope that helps.