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Continue to ChatApple releases iOS 5.1.1 for GSM iPhone 4 only https://macdailynews.com/2012/05/27/apple-updates-ios-5-1-1-release-for-gsm-iphone-4-only/
Apple releases iOS 5.1.1 for GSM iPhone 4 only https://macdailynews.com/2012/05/27/apple-updates-ios-5-1-1-release-for-gsm-iphone-4-only/