Some questions about using 3G to surf the Internet.

Your previous understanding was correct.

The latter problem is that a wireless card can be used on a desktop.

Wi-Fi cards can be used on desktops.

No, you still have to buy something connected.

I don't know what it's called.

Are you a notebook?

If not, I advise you not to get a network card, it's too cardy, my family used to be a network card.

Summary. Dear, I'm glad to answer for you: Why can't the 3G network work?

Answer: Pro, 1Check whether the mobile phone is in arrears, and it is recommended to pay the bill and recharge it in time.

2.Check the signal situation in your area, and it is recommended to use it in places with strong signals. 3.

Check the mobile phone settings, it is recommended to set the 3G network access point again: try to change to other mobile phones for trial, if you can't access the Internet, you can go to the local business office for testing and checking. You can restart your phone.

If you can't access the Internet after restarting your phone, make a network setting or hit ** to confirm whether your mobile phone network has been shut down in arrears. Generally, it will not cause the 3G network to be unable to access the Internet for no reason, and this fault phenomenon is generally that there is no network in this area. Or your phone is faulty, I hope mine can help you, if there is any problem, you can contact me at any time, I will reply to you as soon as possible.

Why 3G networks don't work.

Why is my phone not down, the 3G network is always not working.

Dear, I'm glad to answer for you: Why can't the 3G network work? A:

Pro, 1Check whether the mobile phone is in arrears, and it is recommended to pay the bill and recharge it in time. 2.

Check the signal situation in your area, and it is recommended to use it in places with strong signals. 3.Check the settings of your phone, it is recommended to set the 3G network access point again:

Try to change to another mobile phone for a trial, if you can't access the Internet, you can go to the local business office for a test check. You can restart your phone. If you can't access the Internet after restarting your phone, make a network setting or hit ** to confirm whether your mobile phone network has been shut down in arrears.

Generally, it will not cause the 3G network to be unable to access the Internet for no reason, and this fault phenomenon is generally that there is no network in this area. Or your phone is faulty, I hope mine can help you, if there is any problem, you can contact me at any time, I will reply to you as soon as possible.

Just all of a sudden, 4G became 3G

How did it become a 4G network.

4G becomes 3G and can't go back: 1. First of all, we need to check whether our mobile phone is set to 3G mode. We can find the network settings in the background of the settings, and then change 3G to 4G, so that the phone's signal will return to 4G mode.

2. If our mobile phone is not set to 3G mode, then it is likely that the 4G network signal in our location is not good, so that the signal cannot cover all areas, so there will be weak signal in some areas, or even no signal. At this time, we can choose to change the position, which may help us receive the 4G signal. 3. This situation of weak 4G signal is only temporary, so we don't have to worry too much, as long as we get to a better signal, there will be a 4G signal again.

4. If the problem still exists, it is recommended that you bring the purchase invoice, warranty card and machine to the after-sales service center, and a professional engineer will help you test it.

If your phone is not working properly, please check the following:

1.Check whether it is upgraded to 4G**, it is recommended to restart the phone;

2.Check whether there is an internet connection, it is recommended that you use it in a place with a strong signal;

3.Check whether there is still a credit in the account, if the balance is insufficient, you need to recharge before you can use it;

4.Confirm whether the mobile phone parameters have been set, you can click here to learn about the specific setting method;

5.Check whether the USIM card is inserted, if it has been inserted but still cannot be used, it is recommended that you go to the business hall to check whether the USIM card is faulty, or replace the card for testing;

6.To check if there is a problem with your phone, it is recommended that you can test it with a different phone. If the above situation has not been resolved, you can contact Unicom's manual customer service to deal with it.

If the mobile phone cannot access the Internet normally, you can troubleshoot according to the following conditions:

Situation 1] The contact between the SIM card and the metal contacts of the mobile phone is insufficient, and the SIM card can be reinserted.

Situation 2] If the SIM card is damaged or there is a problem with the mobile phone, you can change the phone to test whether it is the SIM card or the mobile phone is faulty.

Situation 3] The current location is a signal blind zone or suddenly no signal, you can change places to test and pay attention to whether the mobile phone signal of other users around you is normal.

Situation 4] If the mobile phone card is in arrears or is shut down, you can pay off the arrears and turn it on.

Situation 5] The service is suspended due to abnormal use of the number, such as the number being used for illegal or illegal activities.

Situation 6] Roaming in Taiwan, Hong Kong, Macao or abroad can only be used after enabling Taiwan, Hong Kong and Macao roaming and international roaming.

Situation 7] If the total traffic generated by the Internet reaches the ** traffic cap value in the current month, the system will automatically turn off the Internet access function, or limit the speed of the network, and the network will be automatically restored in the next month, which shall be subject to your ** traffic cap rules.

Maybe you don't have a 3G base station there.

Some places, such as Anhui and Guangdong, have stopped the 3G network, so it is normal not to use it.

If you mean that your mobile phone number can only use the Unicom 2G network, but cannot use the 3G network, you need to meet the following three conditions to use the Unicom 3G network

1. Use China Unicom 3G** or ** have opened the 3G network function;

2. The mobile phone supports China Unicom 3G network;

3. The location has a 3G network covering China Unicom.

If the mobile phone **is 3G** but cannot use the 3G network, it is not excluded that the mobile phone does not support the 3G network of Unicom Pengsheng or the local coverage of Unicom 3G network in Qisen, when the Unicom 3G network cannot be used, it is quietly and mu will use the Unicom 2G network by default, and you can contact the local Unicom customer service for details.

Is it a 3G card to move to make sure, he said that the transfer will be transferred if someone applies for it, how can he transfer it to you if you don't apply? The charges for 3G and 2G are not the same, so it's better to go to the mobile hall in person to solve it.

Now Telecom, China Mobile, and China Unicom all have 3G cards. Whether it is 2G or 3G card Internet access, you will be charged for traffic. Only the 3G card has a particularly fast internet speed. Generally, it can reach a speed of 2m.

You said your card was 2 years ago and should be a 2g card.

You call **10086 to ask if your card has traffic every month, and you can surf the Internet without traffic, but the charge is expensive, and it is calculated every minute.

The difference lies in the speed, it takes less than 1 second to open a web page on the 3G network, and it takes more than 4 seconds to open a web page on the 2G network.

3G mobile phone opens the web page very quickly, upstairs says that the probability of opening a web page in a second is very low (3G

The traffic of the web page is generally 5-30kb

2G opens a web page with 3-10kb traffic

The 3G signal is a bit poor.

If the network coverage is high, we recommend using 3G of Telecom

Network China Telecom 3G

The network is the highest. There is no blind spot coverage in first-, second- and third-tier cities.

If it's a smart phone, the Internet speed is not slow, after all, it's a mobile phone to access the Internet, it doesn't need to be so fast, it's a bit of a luxury to do a 3G card, and 150M is enough for a month of normal use. If you run into a madman, you'll have to say something else.