iOS 26.3.1
Released by Apple on , 227 days ago.
- Builds
- Not published
- Previous update
- iOS 26.3 21 days earlier
- Next update
- iOS 26.4
- First seen by OS Releases
What’s in this update
- Apple’s release notesNew features and fixes
Background Security Improvements
Security-only updates Apple delivers on top of this release without a full software update.
- 26.3.1 (a)
23D771330aPosted Offered until
Status over time
How OS Releases has seen Apple offer this version. Apple doesn’t announce these changes; they’re observed from its update feeds.
- Replaced by iOS 26.4