Can you not go into DJI Go app which I think still has art, select art
Then
Open DJI Go4 and it will transfer over.
Now
If you change to something else in DJI Go4 art will be gone so you would need to go back into DJI Go app an do over again
Then
Open DJI Go4 and it will transfer over.
Now
If you change to something else in DJI Go4 art will be gone so you would need to go back into DJI Go app an do over again