Facebook’s support for dark mode didn’t actually launch until late June of 2020, a full year after Apple announced iOS 13 with dark mode as a headlining feature.

Enabling ‌Dark Mode‌ in Facebook Messenger is easy – simply follow the steps below. Launch the standalone Messenger app on your ‌iPhone‌.

But many people are being charged small amounts for using data by their cellphone providers while using the apps in free mode -- altogether amounting to millions of dollars every month in the year ...