Question: how to transfer internal storage to sd card on lg stylo?
Answer: From a Home screen, navigate: Settings. ... 
From the Internal storage screen, tap appropriate folder (e.g., Music, DCIM, Ringtones, etc.). ... 
If desired, open the folder to select files.
Tap the Menu icon. ... 
Tap 'Move' or 'Copy'.
Tap the desired file(s).