Why can’t I change my Gmail theme?
Sign in using your administrator account (does not end in @gmail.com). User settings. Scroll to the Themes section. Check or uncheck the Let users choose their own themes box.
How do I turn on the dark theme in Gmail?
Change your theme setting
- On your Android phone or tablet, open the Gmail app .
- At the top left, tap Menu .
- Tap Settings General settings.
- Tap Theme.
- Choose Light, Dark, or System default.
