iOS 27.1 is currently represented by signed Apple firmware for 1 device identifiers. The active build set is 24A94425.
Release snapshot
- Platform: iOS
- Version: 27.1
- Build: 24A94425
- Release date metadata: 2026-10-22T23:26:05Z
- Signed device identifiers: 1
What’s new in iOS 27.1?
This automated draft currently contains only verified firmware metadata. Detailed Apple release notes have not yet been attached to this article. No features, fixes, security changes, or known issues are inferred from the firmware build alone.
Supported devices
| Device | Identifier | Build |
|---|---|---|
| iPhone Duo | iPhone19,4 |
24A94425 |
Signed IPSW downloads
The links below point directly to Apple-hosted IPSW files when a secure HTTPS Apple URL is available. 4macos does not proxy or store IPSW files.
| Device | Identifier | Build | Download |
|---|---|---|---|
| iPhone Duo | iPhone19,4 |
24A94425 |
Download IPSW |
Should you install this release?
This metadata-only draft does not make an update recommendation yet. Release notes, security content, compatibility details, and early issue reports should be reviewed before this section is expanded.
About these IPSW links
Firmware availability and signing status can change. The Firmware Center should be checked for the latest signing state before attempting a restore or update.