Joe Rossignol / MacRumors:
Apple says 74% of iPhones launched in the last four years and 66% of all iPhones are running iOS 26; 68% of iPhones were running iOS 18 as of Jan. 21, 2025 — Apple has shared updated iOS 26 and iPadOS 26 adoption figures, revealing how many iPhones and iPads are running those software versions.
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