I think I need some help. I am folowing this tutorial: http://scmods.com/gw_guide/GWFB-1.0.pdf to get fastboot on my old 3ds.
I have just upgraded my 3ds sysnad to 10.3.0-28e wich is the Step 4 of the tutorial. After the upgrade I had to power off the 3ds.
The next step is:
"After the Upgrade...