Step 1:
Click on App Drawer menu.
Step 2:
Click on File manager.
Step 3:
Click on Internal Storage and then click on ‘SD card’
Step 4:
Long press the file which you want to copy to the SD card.
Step 5:
Choose the operation you want the file to perform
Step 6:
Click on external SD Card menu.
Step 7:
Select a location to paste the file.
Step 8:
Click on more Option.
Step 9:
Click on Paste Option to paste on SD Card.
Step 10:
File successfully pasted on SD card.