Apple Stops Signing Newly Released iOS Updates for Older iPhones

MacRumors
By Tim HardwickJan 28, 2026, 12:22 pm371 ptsTop
Apple has stopped signing several iOS updates released earlier this week, preventing users from installing them even if they still appear in Software Update. The affected versions include iOS 12, iOS 15, iOS 16, and iOS 18. On Monday, Apple released iOS 18.7.4, iOS 16.7.13, iOS 15.8.6, and iOS 12.5.8 for older…

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