Setting to dark mode
How to turn iPhone 6 dark mode on?
How to turn iPhone 6 dark mode on?
Follow these steps:
Use Dark Mode on your iPhone, iPad, or iPod touch - Apple Support
However, since an iPhone 6 cannot run iOS 13, it is not available for you.
Follow these steps:
Use Dark Mode on your iPhone, iPad, or iPod touch - Apple Support
However, since an iPhone 6 cannot run iOS 13, it is not available for you.
Setting to dark mode