Quick checks
- Identify the exact iPhone model.
- Check the installed iOS build.
- Review the feature's own availability conditions.
Safe next steps
- Back up before a major upgrade.
- Use Apple's update controls on an eligible device.
- Recheck an app-specific issue with the app developer.
What to verify
- If these checks do not change the symptom, consult the manufacturer's support before a reset.
Sources & verification
Last checked: . Official guidance is the primary source. Steps can differ by model, carrier and software version.
- iOS 27 compatibility ↗Apple · 2026-09-26 · PH2-APPLE-IOS27
- Major updates for Apple's software platforms are now available ↗Apple Newsroom · 2026-09-26 · PH2-APPLE-IOS27-RELEASE