The reasons why the mobile phone is not shut down and has traffic but cannot access the Internet are as follows:
1. The telephone card has not opened the Internet service or the Internet service is temporarily closed;
2. The mobile data switch is not turned on;
3. At this time, the intermittent network environment is not good;
4. The phone card is faulty.
The solution is as follows:
1. Contact the local network supplier of the telephone card to open the data flow online service;
2. Slide the top of the screen down with your finger and click the data connection option;
3. Try to get online again in a different time period or network environment;
4. Send the mobile phone to the service center for inspection and repair, and replace other phone cards.