1, put it in the charging card slot with fenix3, and then connect the computer under usb. Install "GarminExpess" on your computer, and then select Add Device. After adding the device, the software interface has wifi setting options. Select the name of the wifi to be connected and enter the password. After wifi is successfully added, it will automatically connect every time.
2.fenix3 long press "Up" to enter the setting interface, "Settings -wifi- Auto Upload".
3. If there is a firmware update, fenix3 will automatically download and remind you of the update. Now the latest firmware is 3 and 6.