Why does the phone show up as 3G? Why does the phone show 3G

If it is displayed as 3G, it may be because there is no 4G network in the current area.

or 4G weak coverage, you can move to other areas to try.

The conditions for using China Unicom's 4G network are:

1. The mobile terminal must be a terminal that supports China Unicom's 4G network standard; The mobile phone tariff must be China Unicom 4G** tariff, or China Unicom 4G network has been opened;

2. China Unicom 4G network can only be used when there is China Unicom 4G network signal coverage, and it can be backward compatible if there is no 4G network coverage.

Use China Unicom's 3G and 2G networks;

4. Turn on 4G in the network settings of the mobile terminal;

5. Check whether the traffic of the month is capped or the network speed is limited.

The mobile phone becomes a 3G network, most likely because the location is not covered by a 4G network.

Or because you have just come out of a relatively closed area, and there is no way to connect to the 4G network, you can recover it by restarting the phone.

The signal of the mobile phone is displayed as 3G, it is possible that your mobile phone is in arrears, or the local signal is not good.

The mobile phone shows 3G, which means that your signal is not good now, and you can't receive a 5G or 4G base station signal, so it becomes 3G.

The mobile phone can be a 5G mobile phone, showing 3G that is the network covered by the area is a 3G network.

If the mobile phone wants us to display 3G, it can be viewed through some of his network information, so he is connected to the network.

Why is the mobile phone writing the world's 3G, this is a problem with the mobile phone settings.

If you are using a Huawei phone, it will scatter hail.

There are many reasons why the mobile phone does not have a 4G signal and only has a 3G signal, please follow the following methods to troubleshoot:

1.If you have a dual SIM card and the primary card does not have a 4G signal, check the supplementary card.

Whether or not you are receiving MMS messages.

If you encounter a problem when the supplementary card receives SMS and MMS, the main card will display 3G:

1) You can enter the information interface, click on three dots or four dots, enter More > Settings > Advanced or Settings > Advanced, and then set Auto MMS to Off.

2) If your mobile phone supports dual VoLTE dual pass, it is recommended that you enable the Dual SIM VoLTE function: in the VoLTE network coverage area, when the dual HD icon is displayed in the status bar of the mobile phone, two cards can work at the same time.

2.Please make sure the 4G switch is enabled.

1) When installing a single card: Please swipe down from the top of the screen to open the shortcut menu, press and hold the mobile data icon to enter the settings interface, turn on Enable 4G or select 4G 3G 2G in network mode to select automatically.

3.Please move your current location.

You can check with your local carrier for network coverage, or observe that the same carrier SIM card is used nearby.

If there is no 4G network as well.

Generally, the local operator's 4G network coverage is poor and unstable, so it is recommended that you try it after moving to other places.

4.Please restart your phone or switch on and off airplane mode.

The special configuration of some networks may cause your phone to be unable to return to the 4G network for a short period of time, but it can be restored after restarting the phone or turning on the airplane mode.

5.Please reset the APN

Incorrect APN settings will affect the normal use of the network.

It is recommended that you open the settings, enter APN in the search bar at the top, click the access point name (APN) to jump to the mobile data settings interface, click the access point name (APN) again, and then tap the three dots in the upper right corner and select Reset to Default Settings.

6.Please reset your network settings.

7.Please remove the SIM card.

1) If your mobile phone card is a manually cut card, it is possible that the signal reading may be affected due to non-standard shape and poor contact, so it is recommended that you bring your personal ID card.

Go to the operator's business office to apply for a standard mobile phone card.

2) Dirty or oxidized SIM cards will also affect the reading of signals, so it is recommended that you keep the SIM card clean.

8.It is recommended to update to the latest system version in a timely manner.

If your phone is not up to date, back up your data in advance.

If your phone still only has a 3G signal, please contact Huawei Consumer Service** (950800), back up your data in advance (third-party apps such as QQ and WeChat need to be backed up separately), and bring your purchase voucher to a nearby Huawei Customer Service Center for testing.

Make an appointment for service. Boarding service.

Huawei Customer Service Center.

<> demo model: iPhone 12 && Huawei P40 &&& Xiaomi 11 System version:

There are usually two reasons for the mobile phone to display 3G, one is to set the mobile phone network type to only use the 3G model, at this time, the mobile phone will automatically block the 4G network brother, and the guide Qing respects the signal to display the 3G network. Second, due to the poor signal of the current 4G network, which cannot be fully covered, the mobile phone will automatically downgrade to receive the 3G network.

1. Go to Settings - Mobile Network.

Dual SIM & Mobile Network) -- Tap on the corresponding SIM card.

Network mode, 4G phone selection: 4G (priority) 3G 2G, 5G phone.

Choice: 5G (Priority) 4G 3G 2G;

2. Network configuration in some areas may cause the mobile phone to fail to return to the 4G network in a short time.

You can restart your phone or turn this off airplane mode.

Try; <>

3. Upgrade your phone to the latest version, if your phone is already the latest version, it is recommended that you go to Settings - System Management - Backup and Reset - Reset Network Settings - Select the corresponding SIM card - Reset settings, and then use it to view.

4. Back up your data, go to Settings - System Management - Backup & Reset - Restore all settings, and follow the on-screen prompts.

Note: Restoring all settings will not delete any data or files, only all settings of the phone will be restored, some third-party application accounts need to be logged in again, please confirm that it does not affect the use of the software before operating.

If the above methods fail to help recover, the customer service center needs to be tested and processed (customer service center address: banquet chain enters vivo official website vivo**app--my--service outlets, after-sales outlets--select provinces and cities to query the address of the customer service center).

You can turn on airplane mode and turn it off, or restart your phone to try, or if it doesn't work, it is recommended to call the operator directly**.

My phone suddenly became 3G, what's going on?

There may be several situations in which the signal becomes 3G: 1. The mobile phone terminal is not 4G, but a 3G terminal. Or the mobile phone ** is 3G, but the mobile phone terminal is 4G, 2, the local network signal is weak, resulting in the use of 3G signal.

1. The mobile phone can only use 3G signal. Because the area is not covered with 4G signal, only 3G signal is covered. 2. Set the mobile network type.

If the mobile network type is set to use only 3G models, the mobile phone will turn off 4G Internet access and only use 3G Internet access. In this case, you can change the network type in the mobile phone settings, change it to 4G priority, and you can resume 4G Internet access. 3. If the mobile phone system is abnormal, you need to restart the mobile phone in this case.

4. If it still doesn't work, contact the communication company or mobile phone after-sales service. 3G is the third generation of mobile communication technology, which is the general name of the next generation of mobile communication systems. The 3G system is committed to providing users with better voice, text, and data services.

Compared with existing technologies, the main advantages of 3G technology are that it can greatly increase system capacity, improve communication quality and data transmission rate. In addition, seamless roaming between different networks can be used to connect wireless communication systems and the Internet, thereby providing more and more advanced services to mobile end users. Thank you for your consultation, I hope this service can help you, and finally I wish you a happy life!

Summary. Hello, first, the mobile phone can only use 3G signal, because the area is not covered with 4G signal, only 3G signal.

Second, the mobile phone network type setting, the mobile phone network type is set to only use 3G network, at this time the mobile phone will turn off 4G Internet access, only use 3G Internet access, in this case, you can change the network type in the mobile phone settings, change to 4G priority, you can resume 4G Internet access.

3. If the mobile phone system is abnormal, you need to restart the mobile phone in this case.

Why do phones show 3G

Hello, first, the mobile phone can only use 3G signal, because the area is not covered with 4G signal, only 3G signal. Second, the mobile phone network type setting, the mobile phone network type is set to only use the 3G network, at this time the mobile phone will turn off the 4G Internet access, only use the 3G Internet access, this kind of situation can be set to change the network type in the hand lack of big guess machine settings, change to 4G priority, you can restore 4G Internet access. 3. If the mobile phone system is abnormal, you need to restart the mobile phone in this case.

Still not good. Mobile networks don't work either.

If you are good in the world, it has always been a 3G signal, it may be that the signal is not good, and you can only receive a 3G signal.

Summary. There are usually two reasons why a phone shows 3G:

Set the mobile network type to use only 3G models, and the mobile phone will automatically block the 4G network, causing the signal display to change to 3G network.

Due to the poor signal of the current 4G network and the lack of full coverage, the mobile phone will automatically downgrade to receive the 3G network.

My phone suddenly became 3G, what's going on?

Hello: I'm glad to answer for you I'm sorting out the information for you, please wait for a while There are usually two reasons why the mobile phone displays 3G: set the mobile phone network type to only use the 3G model, at this time, the mobile phone will automatically block the 4G network, causing the signal display to become a 3G network.

Due to the poor signal of the current 4G network and the lack of full coverage, the mobile phone will automatically downgrade to receive the 3G network.

There are generally several reasons for this:

1. The 4G signal at the location is not covered, only the 3G signal is covered. So, the phone can only use 3G signal.

2. Change the mobile phone network type setting. If the mobile phone network type is set to use only 3G models, then the mobile phone will turn off 4G Internet access and only use 3G Internet access. In this case, you can change the network type in the phone settings to 4G priority. 4G Internet access can be restored.

3. The mobile phone system is abnormal. In this case, you can restart your phone.

What's the deal with the phone always showing 3G?

1. The mobile phone can only use 3G signal, because the area is not covered with 4G signal, only 3G signal.

Second, the mobile phone network type setting, the mobile network type is set to only use 3G network, at this time the mobile phone will turn off 4G Internet access, only use 3G Internet access, in this case, you can change the network type in the mobile phone settings, change to enable dual 4G, you can resume 4G Internet access.