Rumour: iOS-10-dark-mode-rumor-shown in settings-app.

[BandOfBrothers]

Source : idownloadblog 

iOS-10-dark-mode-rumor-settings.

Excerpt from the above link....

"During the weekend, Wiik shared a few new screenshots showing a dark mode for the Settings app, running in iOS Simulator, strongly suggesting that these Dark Mode resources may not have been left within iOS 10 code by accident."

Here's hoping.