Question: how to move photos from internal storage to sd card in moto g6?
Answer: From a Home screen, swipe up to display all apps.
Navigate: Settings. > Storage > Internal shared storage > Files. ... 
Navigate to, then touch and hold to select the desired files(s). Selected when a checkmark is present.
Tap the Menu icon. ... 
Tap SD / Memory Card then navigate to the desired location. ... 
Tap Move (lower-right).