WiFi Setup Default
If device is already your's. It means that it's in Host list of your's account.
Switch on WIFI hotspot which have credentials (SSID and Password) same as default baozam-device settings (SSID: pc, Password: qwertyui or SSID: pcr, Password: qwertyui).
Then device will connect to server automatically and you will can to change WIFI credentials online from tuner page.