Cygnos360 Forum Member ďantman1″ has posted a video of how he switches between his xbox live dash and a homebrew image using a Cygnos360 V2. A tutorial on how to do this will follow.
You can follow the thread in our forum here:
Dual Booting Xbox Live Dash with Live Access and the Reset Glitch for Homebrew.
you can see the video here:
My Dual Boot Xbox Live Enable Homebrew 360 using Reset Glitch Hack - YouTube