The situation has become a dark part of the system in the version of iOS 13, but may be hidden on the other there wallpapers supports Dark Mode installed on the iPhone and iPad.
To find the option to set the background supports Dark Mode make sure to run the iPhone iOS 13,iPad system iPadOS 13 so you can activate Dark Mode or as you call it Apple’s “dark pattern”.
Activate Dark Mode
Head to Settings > Display andthey > choose “dark” in the “Appearance”section.
Set wallpaper supports Dark Mode
Head to Settings > Wallpaper > new image > image fixed.
Choose one of the pictures that exist by the icon of the dark mode at the bottom right.
Leave the “perspective zoom” (Perspective Zoom) under activation if you like to see the appearance changes when you change the angle of view to the screen of the phone; close perspective zoom means that the image will be fixed and will not notice any change in dark mode.
The didn’t notice a change in dark mode despite activating the “perspective zoom” be sure to close the setting “reduce motion” from Settings > Accessibility > motion.
Also, you can look in the App Store for wallpapers supports Dark Mode and avoid any of them.
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