Does iPhone 12 work with iOS 18?
Quick compatibility check between iPhone 12 and iOS 18.
Confirmed compatible
iPhone 12 supports iOS 18 with all core 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 May 2026
Check a different version?
Apple Watch Series 9 + iPhone 12 →
Works
Yes
Confidence
High
Known issues
1 found
Workaround
Not needed
What works & limitations
- Lock Screen and Control Center customization
- Satellite Emergency SOS
- Home Screen customization
- All core iOS 18 system features
- Apple Intelligence (requires iPhone 15 Pro or A17 Pro/M-series chip)
- A14 Bionic exceeds iOS 18 minimum chip requirements
- Battery life and performance are generally good on iOS 18
Results are based on publicly available data and aggregated user reports.
Check another compatibility
Result not what you expected? Try using exact model and version names for better accuracy.
Results are based on publicly available compatibility information and community feedback.