Patent 9003173 was granted and assigned to Microsoft on April, 2015 by the United States Patent and Trademark Office.
A system that facilitates different levels of operating system (OS) boot so as to provide users with rapid access to certain mobile device functionalities, security, applications, etc. is provided. An OS can be loaded in phases or stages commensurate with policies, preferences, actions, context, etc. Similarly, a particular OS or group of OSs can be loaded to address a particular scenario or requirement.