Macworld iconMacworldSep 17, 2026 ~1 min source read

How to downgrade iOS 27 to iOS 26 on your iPhone

Most iPhone users will move to the new platform straight away, and the majority are likely to love the changes. Macworld Apple updates iOS every year, bestowing upon our iPhones a range of new features and security improvements, as well as the occasional redesign.

How to downgrade iOS 27 to iOS 26 on your iPhone

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Macworld Apple updates iOS every year, bestowing upon our iPhones a range of new features and security improvements, as well as the occasional redesign.

Most iPhone users will move to the new platform straight away, and the majority are likely to love the changes.

Be aware that the process has significant disadvantages: it erases the device, and a backup made after installing iOS 27 generally cannot be restored to an iPhone running iOS 26.

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Macworld Apple updates iOS every year, bestowing upon our iPhones a range of new features and security improvements, as well as the occasional redesign. Most iPhone users will move to the new platform straight away, and the majority are likely to love the changes. Be aware that the process has significant disadvantages: it erases the device, and a backup made after installing iOS 27 generally cannot be restored to an iPhone running iOS 26.

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There is usually only a short window in which this can be done. we explore your options for downgrading iOS on an iPhone.

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