3DS update version 9.1.0-20 out now in Japan

Yet another 3DS firmware update is out now in Japan. Version 9.1.0-20 has specific uses for both the New 3DS and original 3DS models.

Once the update is installed, New 3DS owners will be able to purchase themes, visit the eShop, use the Internet browser, and move software between systems. Themes are also available for original 3DS owners. System stability has been improved as well.

Source