Go to Mobile Phone Settings-Mobile Network/Dual Card and Mobile Network-Mobile/Unicom/Telecom-Access Point (APN) to make relevant settings. It is recommended to use the default access point when the mobile phone network is in good condition; When the network is bad, try to change to another access point.
Open the phone, find the setting options in the phone, and click Enter. Find the dual card in the settings and click to enter the mobile network. Click more options for dual card and card 1 or card 2 in the mobile network. Click Access Site Name (APN) in More Options.
At present, the parameters of our 3G/4G mobile phone are set as follows: APN access point: 3gwap (regardless of case), user name and password are empty, gateway/proxy address: 0.0. 172, port number: 80, home page: http://. After setting the parameters, you can enjoy the online world by clicking the Internet key.
If you use a vivo phone, you can go to Settings-Mobile Network/Dual Card and Mobile Network-Mobile/Unicom/Telecom/Radio and Television-Access Point (APN) to make relevant settings.
The first step is to turn on the setting function of the mobile phone. After opening the setup page, select the option of "SIM card and mobile network", as shown in the figure below. After entering the SIM card and mobile network page, select and click the mobile phone card you are using, as shown in the figure below.