To use WIFI in the car, you need to install an in-car WIFI. Method of installing car WIFI:
1, need to buy a car WIFI router in the 4S shop, use it as a car WIFI hotspot, there is a charging interface on the router can be connected to the cigarette lighter above.
2. Apply for a 3G wireless network card in the mobile or telecom business hall and insert the network card in the 3G network card jack of the router.
3, open the mobile phone WIFI, search the signal on your mobile phone, under normal circumstances, the router is encrypted, you can find the initial password on the manual.
4. Now the mobile phone can use WIFI normally, and the car WIFI will be installed successfully.