{
  "id": 9020878,
  "title": "You Can No Longer Downgrade From iOS 27 to iOS 26",
  "url": "https://urgent.news/2026/09/21/you-can-no-longer-downgrade-from-ios-27-to-ios-26",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-09-21T22:25:36.000Z",
  "source": {
    "name": "MacRumors",
    "slug": "macrumors",
    "url": "https://www.macrumors.com/2026/09/21/ios-27-downgrading-impossible/"
  },
  "original_language": "en",
  "account": "Apple has ceased signing iOS 26.6.2, meaning users who have upgraded to iOS 27 are unable to downgrade to any version of iOS 26. The iOS 27 launch occurred just a week ago. Software with a digital signature can successfully pass Apple's server-side verification process during an iOS update download. Failure to pass the verification results in the download being blocked. By digitally signing updates, Apple ensures users cannot install older, potentially less secure versions of iOS. If you have not yet installed iOS 27, you can still utilize iOS 26, but once the upgrade is completed, reverting to the previous version is no longer an option. Moreover, it is impossible to downgrade from iOS 27 to iOS 26.7, released concurrently with iOS 27, as iOS 26.7 is an over-the-air update lacking a restore file.",
  "summary": "Apple is no longer signing iOS 26.6.2, so if you've upgraded to iOS 27 , there is no option to downgrade to a version of iOS 26 . ‌iOS 27‌ came out a week ago . Software that is \"signed\" can pass a server-side verification check that Apple performs when a new version of iOS is downloaded. If an update fails the verification check, it can't be installed. By unsigning software, Apple…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}