iPhone 12 icon iPhone 12 iOS 18 icon iOS 18

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 →

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Secondary signal

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Share what happened in your setup. Editorial research above remains the primary verdict.

0 works 0 does not work

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)

Data & storage

Offline play
No — internet required

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.