No Mobile Phones Allowed Sign | Prohibition Symbol for Quiet Zones #3091279 (License: Personal Use)

The image displays a bold prohibition symbol: a black silhouette of a classic flip-style mobile phone overlaid with a thick red circle and diagonal slash. Designed for maximum visibility and instant recognition, it communicates device restriction without text, making it effective across language barriers. The clean vector style ensures scalability for signage, digital interfaces, or printed materials.

Used in settings requiring silence or undivided attention-such as classrooms, hospitals, cinemas, religious spaces, and examination halls-to enforce mobile-free policies and reduce distractions.