Why is my king card, it is 3G

Hello, Dawang card is open to 4G network by default, and the use of 4G network needs to meet the following conditions, using a USIM card that supports 4G network, holding a 4G terminal, and being covered by 4G network. Therefore, it is recommended that you first check whether your mobile phone supports 4G, and whether the mobile phone card used is a USIM card. If the 4G network is still not displayed after exclusion, you can contact your local 10010 customer service to check the local network coverage.

As long as the Tencent King Card is a brand mobile phone purchased through normal channels, you can enjoy Tencent's stream-free service normally after activating the number, such as the inability to use the 4G network has the following situations:1First, check the mobile phone terminal promise, the manufacturer's customer service consults whether the mobile phone supports the operator's fast network2

Check to see if the same situation is happening with other operators around you, 3Change the machine and change the card to try 4Call the customer service of your local operator to see if there is any network problem in your local area.

First, check the situation.

1.Use 4G** or have enabled 4G network function;

2.The mobile terminal supports China Unicom 4G network;

3.The location has a 4G network covering China Unicom;

4.The number card is a USIM card.

If it's all right, you can try shutting down and restarting, or call ** directly to contact the operator.

Summary. Here's why:

Signal problem: If 3G is displayed, pay attention to whether the current location is connected to the 4G network coverage area of China Unicom. In addition, you can check in the phone settings whether the data mode enabled by the card is selected 4G.

Hello. Here's why:1

Signal problem: If 3G is displayed, pay attention to whether the position where the segment is currently located is connected to the 4G network coverage area of China Unicom. In addition, you can check in the phone settings whether the data mode enabled by the card is selected Network Failure:

There may be the following reasons that cause the Unicom King Card to suddenly become a 3G network:1Unicom King Card**Change:

If your Unicom King Card** changes, it may affect your network speed, causing your network to change from 4G to Regional network coverage problem: If your regional network coverage is insufficient, it may affect your network speed, causing your network to change from 4G to China Unicom network maintenance and upgrade: If China Unicom is maintaining and upgrading the network, it may affect your network speed, causing your network to change from 4G to Mobile phone setting problems:

If your phone is set up incorrectly, such as turning off the 4G network or choosing to use only the 3G network, it may cause your network to change from 4G to 3G. Here are some things you can try to fix the problem:1

Check whether your Unicom King Card** has changed, and if there is a change, you can contact Unicom customer service for consultation. 2.If you are in an area with insufficient network coverage, you can try to move to an area with a better signal to use the network.

3.If China Unicom is upgrading the network to a simplified network level, you can patiently wait for the maintenance and upgrade to be completed before using the network. 4.

Check that your phone is set up correctly, make sure that the 4G network is turned on and you choose to use the 4G network. If you still can't solve the problem, you can contact Unicom customer service for consultation.

You can check the situation first, and the following can be used for reference! 1.Make the file use 4G** or ** has opened the 4G network function.

2.The mobile terminal supports China Unicom 4G network; 3.

The location has a 4G network covering China Unicom; 4.The number card is a USIM card.

If it's all right, you can try to shut down and restart, or call ** directly to contact the running limb land business. Hope mine helps you! Hope.

The steps to resolve the problem are as follows:

4. Then find and click on the option named "Network Mode" in the "Mobile Network" page;

5. Finally, click on the circle behind "4G, 3G, 2G Auto Select" in the option box of the "Network Mode" option, and then you can use the 4G network.

Hello, there may be the following reasons! 1. First of all, it is necessary to make sure that the mobile phone has a network, and it is recommended that it can be used in a place with a stronger signal. 2. Then check whether there is still a phone bill, if the balance is insufficient, you need to recharge and restart it to use.

3. Check whether the SIM card is inserted, if it has been inserted but still cannot be used, it is recommended to go to the blind dust business hall to check whether the SIM card is faulty or change the card for testing. 4. If the traffic usage reaches the cap value in the current month, the network will be automatically shut down, it is recommended to pay attention to the SMS reminder or query the **product description. 5. If the problem still exists, you can bring the purchase invoice, repair card and machine to the service center, and the professional after-sales engineer will help you test.

Summary. Hello, China Unicom King Card is a kind of mobile data traffic demand for users launched**, which contains more high-speed traffic, but after using a certain amount of high-speed traffic, it will be limited in speed. If you need to continue using high-speed data, you need to top up.

Users can go to the nearby Unicom business hall, provide the corresponding mobile phone number and identity certificate, and then select the ** that needs to be recharged to recharge. 3.Purchase a China Unicom data recharge card to recharge.

Why did China Unicom King Card suddenly become 3G?

It was fine last night, but it turned on the phone this morning and it became like that.

And then the other card is telecom, and that's normal.

Dear, hello, thank you for your consultation, Gao Cover Guan pretends to argue with your questions, and answers the following for you How much does your Unicom King Card traffic use, dear, when the use of King Card traffic reaches the upper limit, it will be a shortage of speed limits, from 4G network to 3G network.

Well, 200GB is now only 16GB

That's going to ** to recharge.

For China Unicom King Card, the speed limit rule is that when the user uses more than 30GB, the network speed will be limited to 1Mbps per day, and after the monthly traffic reaches 50GB, the speed will be limited to 512Kbps. This speed limit rule is applicable to all Unicom King Card users, whether new users or old users.

But I didn't go over it.

The traffic data you use is subject to the operator's data.

Hello, China Unicom King Card is a kind of mobile data traffic demand for users launched**, which contains more high-speed traffic, but after using a certain amount of high-speed traffic, it will be limited in speed. If you need to continue using high-speed data, you need to top up. To recharge the high-speed traffic of Unicom King Card, users can do it in the following ways:

1.Recharge on the official website of China Unicom or the business hall of China Unicom mobile phone. Users only need to log in to the official website of China Unicom or the **China Unicom mobile business hall app, and select the corresponding ** to recharge.

2.Go to the Unicom business hall for offline recharge. Users can go to the Unicom business hall near Xianzai, provide the corresponding mobile phone number and identity certificate, and then select the ** that needs to be recharged to charge the Wang value.

3.Purchase a China Unicom data recharge card to recharge. Users can go to major supermarkets or convenience stores to buy Unicom traffic recharge cards, and then call Unicom customer service** or recharge through Unicom's official website.