The four precepts mentioned at the start of the movie are a homage to Isaac Asimov's Three Laws of Robotics. 1: A robot may not injure a human being or, through inaction, allow a human being to come to harm.
2: A robot must obey orders given it by human beings except where such orders would conflict with the First Law.
3: A robot must protect its own existence as long as such protection does not conflict with the First or Second Law.
At around 8 minutes: when the EMP is fired, all electronic devices manufactured by Nexxera remain operational including the drones and electronic signage seen on the streets. The Simulants however are affected by the EMP hinting that this is an intentional weakness included in the design of the Simulants to act as a safeguard.