You can set your HTC U11 wallpaper to automatically change throughout the day.
- Press and hold on an empty space on your home screen
- Tap Theme > Edit current theme
- Tap Home wallpaper
- Tap the down arrow and select Time-based. You'll then see two-page thumbnails
- Tap Change wallpaper under the Day thumbnail to choose the wallpaper you want to display during the day
- Select from the preset wallpapers the download icon to choose from your photos.
- Tap Change wallpaper under the Night thumbnail to choose the wallpaper you want to display during the night