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How I can upgrade iPhone 6s Plus ios12.5.5 to ios15

How I can upgrade my iPhone 6s Plus iOS from 12.5.5 to iOS 15

iPhone 6 Plus, iOS 12

Posted on Oct 27, 2021 5:38 PM

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Posted on Oct 27, 2021 5:40 PM

If the phone is running 12.5.5, it can not be an iPhone 6S, instead it has to be an iPhone 5S, 6 or 6 Plus. Neither can be updated further.

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How I can upgrade iPhone 6s Plus ios12.5.5 to ios15

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