Now the iPhone 6 can be upgraded to the latest iOS version, the specific methods are as follows:
Open the phone, find the "Settings" item, click on it.
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Secondly, after entering, find "General" Click on "General" and enter.
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Three, enter to find the "software update
Three, go to the "Software Update" section and click on it.
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Four, enter to find the latest version of the iOS description file.
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Five, scroll down to the bottom, find the "automatic update "Turn it on to automatically update to the latest iOS version.
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