iOS 12 installed on 78% of compatible devices released in the past four years

iOS 12 is now installed on 78% of devices released in the last four years, according to new data at the Apple App Store support page for developers. 

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What’s more, 75% of all compatible devices are now using iOS 12 based on stats as of Jan. 1, 2019. The operating system update was released 3.5 months ago.