The public build number for iOS 26.0 is 23A341. Apple’s Release Candidate last week was 23A340, and devices on the RC are getting a small day-one update to the final.
- “iOS 26 build number” / “RC vs final” – Final is
23A341; RC was23A340. If you’re on RC, turn off beta updates and you’ll see the final. - “How to check my build” – On iPhone: Settings → General → About → tap iOS Version to reveal the build in parentheses.
