How to use dark mode every where on my iPads and iPhones

On your iPhone:

Open Settings ➡️ Display & Brightness ➡️ Check DARK under Appearance section.

On your iPad:

Open Settings ➡️ Display & Brightness ➡️ Check DARK under Appearance section (on the right side)

Axel F.

These are the instructions:--> Use Dark Mode on your iPhone and iPad, bearing in mind that NOT all 3rd parties apps support dark mode.

Regards

Giulio

P.S. Dark mode works on devices running iOS13 or later versions.