Does iPhone 15 work with iOS 18?
Quick compatibility check between iPhone 15 and iOS 18.
Confirmed compatible
iPhone 15 supports iOS 18 with most new features.
This compatibility check covers iOS 18 (major version 18). Minor version updates (e.g., iOS 18.1) may have different compatibility characteristics.
High confidence · Updated June 2026
Check a different version?
iPhone 15 + iOS 17 →
Works
Yes
Confidence
High
Known issues
2 found
Workaround
Not needed
What works & limitations
- iOS 18 update available for iPhone 15
- Lock Screen customization
- Control Center customization
- RCS messaging (iMessage improvements)
- Photos app redesign
- New Safari features
- Game Mode
- Passwords app
- Emergency SOS improvements
- Apple Intelligence (requires iPhone 15 Pro with A17 Pro chip)
- Image Playground and Genmoji (Apple Intelligence features)
- Update via Settings > General > Software Update
- iPhone 15 ships with A16 Bionic — not the A17 Pro needed for Apple Intelligence
- All other iOS 18 features are fully supported on iPhone 15
Results are based on publicly available data and aggregated user reports.
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Results are based on publicly available compatibility information and community feedback.