Release appearance

iOS 6.1.1 Public

Full article
Public release

Recorded context

About this appearance

iOS 6.1.1 addressed cellular performance and reliability on iPhone 4S, with no additional itemized change in Apple’s surviving release history.

Date
Feb 11, 2013
Availability
available
Revision
No

Release notes

What changed

Original editorial synthesis. Linked references appear with the claims they support and in the source ledger.

Apple limits the first-party description to one device and one area: cellular operation on iPhone 4S. The source does not define the affected carriers or radio conditions and does not supply a separate security advisory.[1]

Source ledger

References

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

  1. About iOS 6

    Apple Support · 2026-07-30 · iOS 6.1.1

    Back to text ↑

Release changes

Changed in this release

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

bugFix · fixed

iPhone 4S cellular reliability

partiallyDocumentedconfirmed

The maintenance update targeted an issue affecting iPhone 4S cellular behavior, although Apple’s surviving note does not describe the trigger or network conditions.

  1. [1] About iOS 6 · iOS 6.1.1