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Apple stops signing iOS 26.6.2, blocking downgrades from iOS 27

Coverage confirms Apple's signing change and rationale

2 Sep 21 7:12 PM · 2d ago · 1 article · 3 posts · 2 sources · development 2 of 2

9to5Mac reports that Apple's decision prevents downgrades and explains Apple's security verification process: when users install iOS, Apple's servers verify the version is still authorized. Short signing windows protect against security flaws.

Coverage confirms Apple's signing change and rationale
9to5mac.com

“Because iOS updates often patch known security vulnerabilities, Apple keeps a rather short list of signed iOS versions.”

9to5Mac

Apple OS provider

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Peak 2 pieces in one hour at Sep 21, 5 PM; 6 pieces over 2 days (2 articles · 4 posts) Sep 21, 5 PM — 2 pieces · 1 article · 1 post — Mastodon 1, Newswires 1Sep 21, 6 PM — 2 pieces · 1 article · 1 post — Mastodon 1, Newswires 1Sep 21, 7 PM — 1 piece · 1 post — Mastodon 1Sep 21, 8 PM — 1 piece · 1 post — Mastodon 1Sep 21, 9 PM — quietSep 21, 10 PM — quietSep 21, 11 PM — quietSep 22, 12 AM — quietSep 22, 1 AM — quietSep 22, 2 AM — quietSep 22, 3 AM — quietSep 22, 4 AM — quietSep 22, 5 AM — quietSep 22, 6 AM — quietSep 22, 7 AM — quietSep 22, 8 AM — quietSep 22, 9 AM — quietSep 22, 10 AM — quietSep 22, 11 AM — quietSep 22, 12 PM — quietSep 22, 1 PM — quietSep 22, 2 PM — quietSep 22, 3 PM — quietSep 22, 4 PM — quietSep 22, 5 PM — quietSep 22, 6 PM — quietSep 22, 7 PM — quietSep 22, 8 PM — quietSep 22, 9 PM — quietSep 22, 10 PM — quietSep 22, 11 PM — quietYesterday, 12 AM — quietYesterday, 1 AM — quietYesterday, 2 AM — quietYesterday, 3 AM — quietYesterday, 4 AM — quietYesterday, 5 AM — quietYesterday, 6 AM — quietYesterday, 7 AM — quietYesterday, 8 AM — quietYesterday, 9 AM — quietYesterday, 10 AM — quietYesterday, 11 AM — quietYesterday, 12 PM — quietYesterday, 1 PM — quietYesterday, 2 PM — quietYesterday, 3 PM — quietYesterday, 4 PM — quietYesterday, 5 PM — quietYesterday, 6 PM — quietYesterday, 7 PM — quietYesterday, 8 PM — quietYesterday, 9 PM — quietYesterday, 10 PM — quietYesterday, 11 PM — quietToday, 12 AM — quietToday, 1 AM — quietToday, 2 AM — quiet 1–2
1–2Coverage confirms Apple's signing change…
Sep 22yesterdaynow · 3:45 AM ET

What was reported 1 claim about this development

  1. 1 outlet iPhone users running iOS 27 can no longer downgrade to iOS 26

    first by 9to5Mac, 2d ago

What people said 1 voice · verbatim

All 2 developments of Apple stops signing iOS 26.6.2, blocking downgrades from… →

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