iOS 9.3.5 will be the last iOS 9 update for the iPhone 6.
Apple's confirmed an iPhone 6 iOS 10 update for September 13th and we expect it to take over for iOS 9.3.5 when it arrives.
If you're interested in testing iOS 10's features and performance ahead of time, you might want to look into the iOS 10 beta that's out for developers and the general public.
For more on the iOS 10 beta, take a look at our roundup.
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