You can change the iPhone wallpaper from Settings or by customizing the Lock Screen. Current iOS versions let the Lock Screen and Home Screen be adjusted as a pair.
- Open Settings > Wallpaper.
- Choose an existing wallpaper to customize or add a new wallpaper.
- Select a photo, color, or other available wallpaper style.
- Adjust the Lock Screen and Home Screen appearances as desired, then save the changes.
You can also touch and hold the Lock Screen to open wallpaper customization. Some wallpaper styles offer widgets, depth effects, color treatments, or other options depending on the iPhone and iOS version.
Before removing originals or changing an important setting, verify the result on the iPhone so you can correct the change while the original information is still available.