Lock screen wallpaper issue

Rotate multiple photos as your Lock Screen wallpaper

1. In the Settings app, tap Wallpaper.
2. Tap Add New Wallpaper.
3. Select Photo Shuffle from the top row of options.
   1. 
4. On the Photo Shuffle screen, set a frequency (On Tap, On Wake, Hourly, or Daily). Then choose a set of photos that will shuffle as you use your iPhone throughout the day.
5. 
6. Tap Done.