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Release record

iOS 9.3.3

Full article
Public release
Recorded milestones
3
Beta cycle
56d
Average interval
28d
Public release
Jul 18, 2016

Release notes

Overview

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

Apple’s consumer notes describe iOS 9.3.3 only as a bug-fix and security update, without assigning names to its general reliability changes.[1]

The dedicated security bulletin is substantially more specific, documenting corrections involving Calendar invitations, stored proxy credentials, relayed FaceTime calls, private Siri contact data, media parsing, the kernel, and WebKit.[2][3]

Source ledger

References

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

  1. About iOS 9 Updates

    Apple Support · 2026-07-30 · iOS 9.3.3

    Back to text ↑
  2. Apple security updates (2016 to 2017)

    Apple Support · Apple · 2023-11-06T00:00:00.000Z · iOS 9.3.3 — July 18, 2016

    Back to text ↑
  3. About the Security Content of iOS 9.3.3

    Apple Support · 2026-07-30 · iOS 9.3.3 security content

    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.

compatibility · knownIssue

9.7-inch iPad Pro seed availability

undocumentedreported

Apple did not provide the first 9.3.3 seed for the 9.7-inch iPad Pro while the prior update's device-specific problem remained unresolved.

Recorded at Beta 1

  1. [1] Apple Seeds First Beta of iOS 9.3.3 to Developers · no iOS 9.3.3 update; 9.7-inch iPad Pro

security · fixed

WebKit cross-origin redirect fix

documentedconfirmed

Apple addressed CVE-2016-4585 by validating redirected URLs more strictly in the affected WebKit page-loading path.

Recorded at Public

  1. [1] About the Security Content of iOS 9.3.3 · WebKit Page Loading — CVE-2016-4585

security · fixed

Relayed FaceTime call state fix

documentedconfirmed

Apple addressed CVE-2016-4635 by improving FaceTime’s display logic so the affected relayed call did not appear ended while audio transmission continued.

Recorded at Public

  1. [1] About the Security Content of iOS 9.3.3 · FaceTime — CVE-2016-4635

security · fixed

Siri private contact information fix

documentedconfirmed

Apple addressed CVE-2016-4593 by correcting Siri’s handling of contact cards in the documented physical-access scenario.

Recorded at Public

  1. [1] About the Security Content of iOS 9.3.3 · Siri Contacts — CVE-2016-4593

security · fixed

Calendar invitation restart fix

documentedconfirmed

Apple addressed CVE-2016-4605 by improving memory handling around the affected Calendar invitation path.

Recorded at Public

  1. [1] About the Security Content of iOS 9.3.3 · Calendar — CVE-2016-4605

security · fixed

Stored HTTP authentication downgrade fix

documentedconfirmed

Apple addressed CVE-2016-4644 by storing the HTTP authentication type with saved credentials, preventing the affected downgrade behavior.

Recorded at Public

  1. [1] About the Security Content of iOS 9.3.3 · CFNetwork Credentials — CVE-2016-4644

Milestones

Release history

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

  1. Developer beta

    Beta 1

    Full articleEditorially verified

    iOS 9.3.3 Beta 1 is an editorially reviewed historical archive page with 1 bounded, source-backed records.

    Availability
    available
    Sources
    3 linked
    Open this appearance
  2. +14 days

    Developer beta

    Beta 2

    Full articleEditorially verified

    iOS 9.3.3 Beta 2 is an editorially reviewed historical archive page with 1 bounded, source-backed records.

    Availability
    available
    Sources
    3 linked
    Open this appearance
  3. +42 days

    Public release

    Public

    Source-linked recordEditorially verified

    The public iOS 9.3.3 release was a general bug-fix and security update whose bulletin documents specific Calendar, networking, FaceTime, Siri, and WebKit corrections.

    Availability
    available
    Sources
    7 linked
    Open this appearance

Historical context

Cycle comparison

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

Cycle vs. platform average

56d (avg: 58d)

2 days shorter than the iOS average

Duration ranking

#38 of 92

Middle of the pack iOS beta cycles

Longest gap in this cycle

42 days

Between Beta 2 and Public

Official release notes