Dark mode: Depending on the type of display, you need to tap your Bitmoji (profile icon) followed by the Settings (gear) icon. Click on App Appearance and choose Always Dark. Tap Restart Now to apply.
Supported phones On supported phones, open Snapchat Settings and choose App Appearance and Dark Mode. In other gadgets, it adheres to the dark theme of your system.
To turn on dark mode on Snapchat, open the app, tap your profile → Settings → App Appearance, then select “Always Dark” or “Match System” to enable dark mode on your phone. Dark mode changes Snapchat’s interface to a darker theme.