Samsung’s is a built-in feature for Galaxy devices that automatically refreshes your lock screen with high-quality images every time you wake your phone. Instead of a single static photo, this service provides "Fresh Packs"—curated collections of images that rotate and update automatically every two weeks. How to Download Dynamic Lock Screen Packs
You can enable this feature and download image categories directly through your system settings: Dynamic Lock Screen - Spice Up Your Samsung download samsung dynamic lock screen wallpaper
How to Download and Use Samsung Dynamic Lock Screen Wallpapers Samsung’s is a built-in feature for Galaxy devices