Apple 6 is ios. What system is it?

The factory operating system of Apple 6 is iOS8.0.

Now the iPhone6 phone can be upgraded to the latest iOS version, as follows:

First turn on the phone, find the "Settings" item, and click Enter.

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Second, after entering, find the "General" item and click Enter.

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3. After entering, find the item "Software Update" and click Enter.

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Fourth, find the latest version of the iOS description file after entering.

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5. Pull down to the bottom, find the "automatic update" item, and turn on automatic update to the latest iOS version.

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