1. First, find the "Settings" icon on the phone desktop, and click to open the phone settings page.

2. Then click the menu item "Lock screen, password, fingerprint" on the opened settings page.

3. Next, in the open screen lock, password and fingerprint window, we click the setting item of "screen lock pictorial".

4. Then we found the "wallpaper history" menu item on the opened picture page.

5. At this time, the wallpaper history page will be opened, in which you can see all the previously used historical lock screen wallpapers.