Open Instagram
Tap your profile picture
Tap the menu icon
Tap Settings and privacy
Tap Accessibility or App appearance
Tap Dark mode or Theme
Select Dark
If available, choose Use device settings to match your phone’s dark mode
Open Instagram
Tap your profile picture
Tap the menu icon
Tap Settings and privacy
Tap Accessibility or App appearance
Tap Dark mode or Theme
Select Dark
If available, choose Use device settings to match your phone’s dark mode