2. Secondly, use the hotspot function of mobile phone to use mobile phone or other devices as Wi-Fi hotspots, and then let BYD Dolphin connect hotspots.
3. then use the SIM card. If BYD Dolphin is equipped with a SIM card slot, you can insert the SIM card into it to get a mobile data network connection.
4. Finally, go to public places with Wi-Fi, such as cafes, hotels or libraries, connect to Wi-Fi, and use BYD Dolphin for network access.