In addition to browsing the instruction manual, you can directly start the terminal settings etc. from the explanation, so you can use SO-03D more conveniently.It cannot be started with other models due to the e-Trice set (instruction manual) for SO-03D.【Notes】 Please confirm the following contents before installation and tap [Update] when you understand.・ When using for the first time, it is necessary to download this application.・ Packet communication charges may be incurred when downloading and updating applications. For this reason, we strongly recommend using the packet flat-rate service.* Packet communication charges are not incurred when downloading using the Wi-Fi function.(Download capacity: about 3.3 to 3.7MB (depending on version))