HT205732: About the security content of iOS 9.2.1
Learn about About the security content of iOS 9.2.1
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All replies
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Helpful answers
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Jan 21, 2016 1:52 AM in response to Kelseysooby akkademus,You have to be connected to wifi and have at minimum 50% of battery if you want to update while not plugged in. If you have your iPhone storage full try to delete something.
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Jan 21, 2016 5:35 AM in response to D.Cohenby Kelseysoo,I Have tried all those things and it still won't install.