1. Find the function key "Settings" on the mobile phone page and click Open;
2. Find the "Wallpaper" function and click to open it;
3. Click "Select new wallpaper";
4. After clicking "Live", some wallpapers will appear. You can choose any wallpaper;
5. Click "LivePhoto" in the three options "Still", "Perspective" and "LivePhoto" that appear;
6. Find and click "Set Lock Screen".