Release appearance
iOS 10.2.1 Public
Recorded context
About this appearance
iOS 10.2.1 reached the public release channel on January 23, 2017. The patch improved peak-workload power management to reduce unexpected iPhone shutdowns and addressed documented security issues across push notifications, call history, contacts, the kernel, archives, device unlocking, WebKit, and Wi-Fi. This article records the public appearance only and does not assign cumulative notes to an earlier beta or infer an undocumented build document.
- Date
- Jan 23, 2017
- Availability
- available
- Revision
- No
Release notes
What changed
Original editorial synthesis. Linked references appear with the claims they support and in the source ledger.
Public release
Apple’s dated records place the public iOS 10.2.1 appearance on January 23, 2017. This article covers that public release and does not infer beta-specific timing or an undocumented build number.[1][2]
What changed
Source ledger
References
Sources are linked to the claims they support. Publication and access dates are shown when available.
- About the security content of iOS 10.2.1
Apple Support · Apple · 2023-11-06T00:00:00.000Z · iOS 10.2.1 — Released January 23, 2017
- About the security content of iOS 10.2.1
Apple Support · Apple · 2023-11-06T00:00:00.000Z · iOS 10.2.1 — security content
- About iOS 10 Updates
Apple Support · Apple · 2024-01-10T00:00:00.000Z · iOS 10.2.1 — peak workloads
Release changes
Changed in this release
Features, fixes, removals, and regressions first observed in this release record.
security · fixed
iOS 10.2.1 security fixes
Apple’s advisory documents multiple security corrections included with the January 23 public release.
- [1] About the security content of iOS 10.2.1 · iOS 10.2.1 — security content
enhancement · changed
Peak-workload power management
Apple documented a power-management change intended to reduce shutdowns under demanding workloads.
- [1] About iOS 10 Updates · iOS 10.2.1 — peak workloads