If not, you can try the following settings:
1 settings > general > network > cellular data network -APN-uninet, 3gnet or CMNET;;
2 Settings > General > Network > Cellular Data Network > User name and password are empty;
3 settings > general > restrictions, set safari (dedicated browser safari(iphone) to open, and other options are arbitrary.
2. 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/agent address: 10.0. 172, port number: 80, home page:. After setting the parameters, you can enjoy the online world by clicking the Internet key.
3. If you still can't set it, I suggest you contact Unicom's manual customer service for consultation. The actual situation is subject to local policies.