Insert the bootable USB drive or start the virtual machine. You should see the Android 1.0 boot screen. The boot process might take a few minutes.
The closest thing to a "clean" version of Android 1.0 that you can run on a computer is the system image found within early versions of the Android SDK How to Experience Android 1.0 Today Android 1.0 Iso
Android 1.0 is a digital fossil—clunky, insecure, and beautiful in its naivety. While you won't find an ISO to burn to a CD, the spirit of the first Android lives on in every modern smartphone. The next time you pull down the notification shade or use Google Maps, remember: it all started with a keyboard-sliding, chin-strapped device running software that never fit on a disc. Insert the bootable USB drive or start the virtual machine