Version RecordIndependent release archive
Menu

Release record

iOS 5.1.1

Full article
Public release
Recorded milestones
1
Beta cycle
—
Average interval
—
Public release
May 7, 2012

Release notes

Overview

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

iOS 5.1.1 improved lock-screen HDR reliability, repaired cellular switching on the third-generation iPad, corrected AirPlay video playback, strengthened Safari bookmark and Reading List synchronization, and removed a misleading purchase alert.[1]

The accompanying advisory describes a Safari location-bar spoofing fix and WebKit corrections for cross-site scripting and memory corruption.[2][3]

Source ledger

References

Sources are linked to the claims they support. Publication and access dates are shown when available.

  1. About iOS 5

    Apple Support · Apple · 2023-11-15T00:00:00.000Z · iOS 5.1.1

    Back to text ↑
  2. Apple security updates (2011 to 2012)

    Apple Support · Apple · 2023-08-10T00:00:00.000Z · iOS 5.1.1 Software Update — 07 May 2012

    Back to text ↑
  3. About the security content of iOS 5.1.1 Software Update

    Apple Support · Apple · 2023-11-03T00:00:00.000Z · iOS 5.1.1 Software Update security content

    Back to text ↑
  4. About the security content of iOS 5.1.1 Software Update

    Apple Support · Apple · 2023-11-03T00:00:00.000Z · iOS 5.1.1 Software Update

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

Post-purchase alert accuracy

documentedconfirmed

Apple fixed a condition in which the system could report that a purchase failed even though it had completed successfully.

Recorded at Public

  1. [1] About iOS 5 · iOS 5.1.1 — Unable to purchase alert

bugFix · fixed

Lock-screen HDR reliability

documentedconfirmed

Apple improved use of the HDR option specifically for photos taken after entering Camera through the lock screen.

Recorded at Public

  1. [1] About iOS 5 · iOS 5.1.1 — HDR and Lock Screen shortcut

bugFix · fixed

Safari bookmarks and Reading List sync

documentedconfirmed

The update addressed reliability of keeping bookmark and Reading List data synchronized.

Recorded at Public

  1. [1] About iOS 5 · iOS 5.1.1 — Safari bookmarks and Reading List

bugFix · fixed

AirPlay video playback

documentedconfirmed

Apple records an AirPlay video reliability repair without identifying the affected content type or receiving hardware.

Recorded at Public

  1. [1] About iOS 5 · iOS 5.1.1 — AirPlay video playback

bugFix · fixed

Third-generation iPad cellular switching

documentedconfirmed

Apple addressed cellular-mode switching failures on the device it described at the time as the new iPad.

Recorded at Public

  1. [1] About iOS 5 · iOS 5.1.1 — new iPad 2G and 3G switching

Milestones

Release history

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

  1. Public release

    Public

    Source-linked recordEditorially verified

    The public iOS 5.1.1 update focused on HDR, cellular, AirPlay, Safari synchronization, and purchase-alert reliability plus Safari and WebKit security fixes.

    Availability
    available
    Sources
    11 linked
    Open this appearance

Historical context

Cycle comparison

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

Historical avg for .1.1 releases

20 days, 3.0 milestones

Based on 2 previous iOS .1.1 releases

Previous .1.1 releases (iOS)

Previous comparable iOS releases
VersionYearCycleMilestonesAvg. Interval
iOS 12.1.1201835d412d
iOS 6.1.120135d25d

Scroll horizontally to compare every historical field.

Official release notes