What is iOS 15: Everything You Need to Know

This article provides a comprehensive overview of iOS 15, the major software update released by Apple for the iPhone. Readers will discover the operating system's key features, enhancements to communication and privacy, device compatibility, and how the update fundamentally refined the daily user experience.

Overview of iOS 15

iOS 15 is the fifteenth major release of Apple’s iOS mobile operating system, officially launched in September 2021. Designed for iPhone and iPod Touch devices, the update prioritizes deeper connectivity, enhanced on-device intelligence, redesigned notifications, and powerful privacy protections to help users navigate their digital lives with fewer distractions. For additional documentation and guides, explore this comprehensive iOS 15 resource website.

Key Features in iOS 15

1. FaceTime Enhancements and SharePlay

FaceTime received significant updates to make video calls more natural and collaborative:

2. Focus Modes and Redesigned Notifications

To help reduce screen-time distractions, iOS 15 introduced Focus, a feature that filters notifications and home screen pages based on current activities, such as Work, Personal, Sleep, or Fitness.

Notifications were also redesigned with larger app icons and contact photos. The Notification Summary groups non-urgent alerts into scheduled delivery windows throughout the day to avoid constant interruptions.

3. Live Text and Visual Look Up

Using on-device machine learning, iOS 15 unlocked interactive text within photos:

4. Safari Redesign

Safari introduced a bottom tab bar designed for easier one-handed navigation, alongside Tab Groups, which let users organize, save, and sync collections of open tabs across Apple devices. Users can also install third-party Safari web extensions on mobile for the first time.

5. Advanced Privacy Controls

Security and data transparency were major focal points:

Supported Devices

iOS 15 supports all devices capable of running iOS 14, including: