No Mobile Phones Allowed Sign - Free Download & Usage Guide #2217929 (License: Personal Use)

This vector-style prohibition sign features a bold red circle with a diagonal slash overlaying a black smartphone silhouette on a white background. The design follows international signage conventions for clarity and immediate recognition, making it ideal for public spaces where device silence or restriction is required. Its clean lines and high contrast ensure visibility from a distance and accessibility for diverse audiences.

Used on signage in schools, exam halls, hospitals, courtrooms, theaters, and secure government or corporate facilities to enforce no-phone policies. Matches user intent for downloading printable or digital signage assets for compliance or safety communication.