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Release appearance

iOS 13.3.1 Public

Full article
Public release

Recorded context

About this appearance

iOS 13.3.1 reached the public release channel on January 28, 2020. iOS 13.3.1 corrected Communication Limits, Mail, FaceTime, notifications, CarPlay, and other reliability issues while adding a U1 location-services control. This article records that public appearance only and does not assign cumulative notes to an earlier beta.

Date
Jan 28, 2020
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 release record places iOS 13.3.1 on January 28, 2020. This article records that public appearance only and does not assign cumulative version notes to any preceding beta.[1][2]

What changed

The patch mixed privacy and parental-control corrections with communications, camera, Wi-Fi notification, and in-car audio fixes.[1][2]

Source ledger

References

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

  1. About the security content of iOS 13.3.1 and iPadOS 13.3.1

    Apple Support · Apple · 2023-11-03T00:00:00.000Z · iOS 13.3.1 and iPadOS 13.3.1 — Released January 28, 2020

    Back to text ↑
  2. About iOS 13 Updates

    Apple Support · Apple · 2024-02-26T00:00:00.000Z · iOS 13.3.1

    Back to text ↑
  3. About the security content of iOS 13.3.1 and iPadOS 13.3.1

    Apple Support · Apple · 2023-11-03T00:00:00.000Z · iOS 13.3.1 and iPadOS 13.3.1 — security content

Release changes

Changed in this release

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

bugFix · fixed

Wi-Fi notification and CarPlay audio fixes

documentedconfirmed

The update corrected the documented notification-delivery and in-car call-audio problems.

  1. [1] About iOS 13 Updates · iOS 13.3.1

bugFix · fixed

Mail, FaceTime, and Deep Fusion fixes

documentedconfirmed

The patch corrected the documented Mail, calling, and photo-editing issues.

  1. [1] About iOS 13 Updates · iOS 13.3.1

bugFix · fixed

Communication Limits and U1 controls

documentedconfirmed

The update tightened Communication Limits and exposed a new U1 location-services control.

  1. [1] About iOS 13 Updates · iOS 13.3.1