is there a way to save the current image as a .bin file so that if i make a mistake down the road i can just re-flash or if i wanted to give the copy to someone else they could just re-flash?

I've finnally got metasploit and set going.. but if i mess something up i want to make sure i can get it all back... and not bang my head trying to remember everything i did the first time..

I have an N810 running Diablo