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Is the latest iOS 9 known to be a slightly harsh operating system for the older model iPhone 4s and should it be updated? - GIGAZINE
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question] How can I install an app that needs iOS 11 (Pitikapp) on my 4s running JB 7.1.1? Any help appreciated. : r/LegacyJailbreak
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GET IOS 11 Look & Features on IOS 9 - 9.3.4 / 9.3.5 iPhone 4s, 5, 5c, iPad 2, 3, 4 & Mini 32Bit - YouTube
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