When your iPad is in DFU Mode its screen goes completely black even though it's powered on. You may need to put your iPad in DFU Mode if your device is unresponsive or stuck in a boot loop ...

You can get Instagram dark mode on your iPhone, iPad, or Android by updating ... app's background to a darker color — usually black instead of white — to reduce the amount of bright white ...

Turn on Dark Mode On your iPhone or iPad, navigate to Settings > Display & Brightness and tap the Dark theme under the Appearance section.This will automatically change the theme for built-in apps ...