No Mobile Phones Sign - Prohibited Device Symbol for Public Areas #3334702 (License: Personal Use)

The image displays a standardized prohibition sign: a bold red circle with a diagonal slash overlaying a black silhouette of a smartphone on a white circular field, set against a light gray background. This design follows ISO 7010 safety signage conventions for clarity and international recognition. It is commonly used to enforce silence, prevent interference, or maintain security in designated areas.

Used in hospitals, exam halls, theaters, courtrooms, religious sites, and secure facilities where mobile phone use is prohibited. Matches user intent for finding signage templates, understanding regulatory symbols, or implementing policy compliance visuals.