Released
iOS 27.1
iOS 27.1 was released only for the foldable iPhone Duo, which ships with it. Apple's notes say just bug fixes, and there is no security content. Every other iPhone went straight from iOS 27.0.1 to iOS 27.2.
StatusReleasedOct 23, 2026
Build24A94425 (day-one update, reported)
Changes1
Works on: iPhone Duo only
Release timeline
- ReleaseBuild 24A94425 (reported)
iPhone Duo only; owners are prompted to update during setup.
What's new, feature by feature
System
iPhone Duo launch softwareAvailable
The version of iOS that supports Apple's foldable iPhone Duo, with a day-one update described only as bug fixes.
Why it matters: Matters only to iPhone Duo buyers; install it during setup.
First in: ReleaseNeeds iPhone Duo
Security
Apple lists iOS 27.1 with no published CVE entries. https://support.apple.com/en-us/100100