The UI theme defines the appearance of the phone UI on phones with color display with predefined color settings and depending on the theme a background image. The "Light" theme is used for the old default appearance.
Preferences → Appearance → UI Color Theme
Preferences → Display → Themes
| Parameter | Description |
|---|---|
| <ui_theme perm="PERMISSIONFLAG">VALIDVALUE</ui_theme> | "Light", "Dark", "Colorful", "Industrial" |