27
Apple doesn't publish release notes for every release — none are available for iOS 27.1. Security fixes for this build are listed in Apple's security release notes.
Download iOS 27.1 for all compatible devices
Signed files can be restored right away. Unsigned builds are listed for archival and research purposes.
| Device | Identifier | Status | Download |
|---|---|---|---|
| iPhone Duo | iPhone19,4 | Signed | Download |