Question: how to transfer data from internal storage to sd card in nokia 2?
Answer: From a Home screen, swipe up to display all apps.
Navigate: Settings. ... 
Tap Internal shared storage.
Tap Files.
Tap the appropriate folder (e.g., DCIM, Music, Pictures).
If desired, open the folder to select files.
Tap the Menu icon. ... 
Tap 'Move to" or 'Copy to'.