※ Please make sure your phone supports NFC before use.

● This application is for writing navigation application on the NFC Smart Tag, which is a bundle with OPUS ONE Fast Auto Slide Wireless Car Charger series.
● It is fast and convenient(no in-app ads), and can be used for general NFC tag writer.
● It'll be returned to the first page automatically when the installation is completed.

● Follow each step on the app guide and select the navigation app you normally use. After writing properly, the app will be automatically executed when the mobile phone is placed on the NFC tag.

● The location of NFC antenna is different per the phone model. Please check the position of NFC with the phone manufacturer.
● If you do not want to use navigation app, you may select the app you want to use as needed.