Release record

iOS 15.4.1

Full article

Public release

Recorded milestones: 1
Beta cycle: —
Average interval: —
Public release: Mar 31, 2022

Release notes

Overview

Editorial synthesis with inline references and a source ledger when citations are available.

Release overview

iOS 15.4.1 was publicly released on March 31, 2022. iOS 15.4.1 was a corrective update for battery drain and accessibility-device behavior, with an urgent media-decoder security fix.^[1]^[2]

The release addressed battery depletion after iOS 15.4, Braille-device responsiveness, and Made for iPhone hearing-device connectivity.^[1]^[2]

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 15.4.1 and iPadOS 15.4.1
Apple Support · Apple · 2023-10-31T00:00:00.000Z · iOS 15.4.1 and iPadOS 15.4.1 — Released March 31, 2022
Back to text ↑
About iOS 15 Updates
Apple Support · Apple · 2026-05-28T00:00:00.000Z · iOS 15.4.1
Back to text ↑

Documented & observed

Changes in this version

Source-linked features, fixes, known issues, removals, and community-observed behavior recorded across this version’s appearances and verified builds.

Release changes

Changed in this release

Features, fixes, removals, and regressions first observed in this release record.

bugFix · fixed

Braille and hearing-device reliability

documentedconfirmed

The update improved reliability for affected accessibility peripherals.

Recorded at Public

[1] About iOS 15 Updates · iOS 15.4.1

bugFix · fixed

Post-update battery drain

documentedconfirmed

iOS 15.4.1 corrected the documented battery-drain regression.

Recorded at Public

[1] About iOS 15 Updates · iOS 15.4.1

security · fixed

Actively exploited AppleAVD issue

documentedconfirmed

Apple addressed CVE-2022-22675 and said it was aware of a report that the issue may have been actively exploited.

Recorded at Public

[1] About the security content of iOS 15.4.1 and iPadOS 15.4.1 · AppleAVD — CVE-2022-22675

Milestones

Release history

Every recorded channel appearance in chronological order. Open an appearance for any available build, scope, notes, and sources.

Mar 31, 2022
Public release
Public
Full articleEditorially verified
iOS 15.4.1 reached the public release channel on March 31, 2022. iOS 15.4.1 was a corrective update for battery drain and accessibility-device behavior, with an urgent media-decoder security fix. This article records the public appearance only and does not attribute cumulative notes to an earlier beta.
Availability
available
Sources
3 linked
Open this appearance

Historical context

Cycle comparison

Pace, intervals, and duration compared with earlier releases on the same platform.

Historical avg for .4.1 releases

40 days, 6.0 milestones

Based on 1 previous iOS .4.1 releases

Previous .4.1 releases (iOS)

Previous comparable iOS releases
Version	Year	Cycle	Milestones	Avg. Interval
iOS 11.4.1	2018	40d	6	8d

Scroll horizontally to compare every historical field.

Official release notes