Put selecting the color scheme of the tutanota android app in the settings
When I installed the tutanota android app on my phone, the color scheme was dark red and white. On the initial screen where the app connects to tutanota, there was an enticing suggestion about other options "more. .", so I pressed it. Without knowing that I did it, I apparently accepted a dark gray and light blue color scheme. But the scheme is unreadable on such a small screen.
Now, the sign-on initiates so quickly that I can't activate the "more" link to change the color scheme back to red and white.
May I suggest that you move this feature to the settings section of the app. This would make it available at any time without the difficulty of competing with the speed of the sign-on.
AdminTutanota Support (Admin, Tutanota) commented
you can disable the dark theme where you enabled it before logging in. Uninstalling is not necessary.
I got the color scheme back by uninstalling and reinstalling the tutanota app. That's ok for once, but it really is rather extreme to get back the default color scheme.
I hope you'll put it in the settings.