Release appearance
iOS 12.1.2 Public
Recorded context
About this appearance
The public iOS 12.1.2 release was a focused iPhone maintenance update for eSIM activation and cellular connectivity.
- Date
- Dec 17, 2018
- Availability
- available
- Revision
- No
Chronology evidence
Appearance sources
These sources support the recorded date, channel, or availability. A researched release-notes article has not been added.
- About iOS 12 Updates
Apple Support · 2026-07-29 · iOS 12.1.2 — cellular connectivity in Turkey
- About iOS 12 Updates
Apple Support · 2026-07-29 · iOS 12.1.2 — eSIM activation
- Apple Security Updates (2018 to 2019)
Apple Support · Apple · 2023-11-06T00:00:00.000Z · iOS 12.1.2 — released December 17, 2018; no published CVE entries
- About iOS 12 Updates
Apple Support · 2026-07-29 · iOS 12.1.2
Release changes
Changed in this release
Features, fixes, removals, and regressions first observed in this release record.
bugFix · fixed
Türkiye cellular connectivity fix
The update addressed a cellular connectivity problem affecting iPhone XR, XS, and XS Max in Türkiye.
- [1] About iOS 12 Updates · iOS 12.1.2 — cellular connectivity in Turkey
bugFix · fixed
eSIM activation fix
Apple fixed an issue that could prevent eSIM activation on iPhone XR, XS, and XS Max.
- [1] About iOS 12 Updates · iOS 12.1.2 — eSIM activation