The mobile phone has a 4g signal, but it can't get online.

Let's briefly analyze the related influencing factors and solutions.

1. The mobile phone has a 4G network but can't get online, so it needs after-sales maintenance.

2. When the data flow function is not turned on on the mobile phone card, the 4G signal cannot access the Internet in time. You need to call manual customer service or go to the business hall to open it.

3. Due to the setting of mobile phone software, there is a 4G network. Because some softwares have the function of restricting mobile phone access to the Internet, it is necessary to set relevant options correctly.

Due to network failure, the mobile phone can't access the Internet. When the base station that should provide signals to the mobile phone fails, the mobile phone may receive the 4G network, but it cannot access the Internet. It needs to be reported to the communication operator, and the operator will send technicians to repair it.

What should I do if I can't get on the Internet with a 4G mobile network?

1. Confirm whether the mobile phone is connected with wireless WiFi.

Many people's mobile phones have turned on the function of automatically searching for WiFi. When there is WiFi, the phone will automatically connect to WiFi. When the mobile phone is connected to some WiFi that has no signal and can't access the Internet, it is naturally impossible to connect to the network. Even if the mobile 4G network is opened, there is no way.

2. Confirm whether there is a problem with the SIM card.

SIM card is the key to accessing the Internet by mobile phone. First check whether the SIM card is normal and whether the mobile phone operator can inquire. Then check whether your mobile phone is in arrears, downtime and other reasons. Another place that people often overlook is to check the status of the signal bar. The network is normal, the card insertion is abnormal, the mobile phone is in arrears or there is no local signal, which will lead to the inability to access the Internet.

3. The network parameters are wrong.

Many people don't know how to use airplane mode. Flight mode can help your network signal restart and avoid parameter errors. The mobile phone is turned on, and the mobile network cannot access the Internet. Turn off and then turn on the mobile network to see if you can surf the Internet. If you can't get online, it may be a problem with network parameters. The solution is also very simple, just turn on the mobile phone flight mode and then turn it off.

4. System problems

If the above methods have not solved the problem of surfing the Internet, it may be that your mobile phone system is not working correctly or is incompatible. The reason may be that downloading rogue software and upgrading mobile phone system hardware are incompatible with the system. This situation can only be solved by brushing the phone or restoring the system.