Huawei mobile phones sometimes only have 2G network, what’s going on?

If you are using a Huawei mobile phone, there are many reasons why the mobile phone has no 4G signal but only 2G signal. Please follow the following methods to troubleshoot:

1. If you have dual SIM card The card has no 4G signal, please confirm whether the secondary card is receiving MMS messages

If the problem you encounter is that when the secondary card receives text messages and MMS messages, the main card will display 2G:

(1 ) You can enter the information interface, click three or four dots, enter more>Settings>Advanced or Settings>Advanced, and then set automatic download of MMS to off.

After selecting Off, when the secondary card receives the MMS message, you can manually click to download the MMS message when the primary card is not connected to the Internet.

(2) If your mobile phone supports dual VoLTE dual pass, it is recommended that you activate the VoLTE function of dual SIM cards: in the VoLTE network coverage area, when the dual HD icon is displayed on the status bar of the mobile phone, two SIM cards can be enabled Work simultaneously.

2. Please make sure the 4G switch is enabled

(1) When installing a single card: Please swipe down from the top of the phone screen to open the shortcut menu, long press the mobile data icon to enter the settings interface , turn on enable 4G or select 4G/3G/2G automatic selection in network mode.

Warm reminder: If the 4G switch or network mode option is not enabled, 4G is enabled by default and no settings are required.

(2) When installing dual SIM cards: Please open the settings of your phone, enter dual SIM 4G in the search bar at the top, click to jump, and turn on the enable dual SIM 4G switch.

Warm reminder: Empty search results indicate that dual-SIM 4G is enabled by default and no settings are required.

3. Please move to your current location

You can consult the local operator's network coverage, or observe the surrounding mobile phone network conditions using the same operator's SIM card, if the same problem occurs If there is no 4G network, it is usually caused by poor and unstable 4G network coverage of the local operator. It is recommended that you move to another place and try again.

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

The special configuration of some networks may cause your phone to be unable to return to the 4G network in a short period of time. It can be restored after restarting your phone or switching airplane mode on. .

5. Please reset the APN

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

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

6. Please restore network settings

You can enter settings, search for restore network settings, and click Restore network settings.

Warm reminder: Restoring network settings will delete WLAN and Bluetooth connection records, and requires entering the lock screen password for verification.

7. Please take out the mobile phone card

(1) If your mobile phone card is cut manually, it may affect the signal reading due to non-standard shape and poor contact. It is recommended that you bring your personal ID card to the operator's business hall to apply for a standard mobile phone card.

(2) Dirty or oxidized mobile phone cards will also affect signal reading. It is recommended that you keep your mobile phone cards clean.

8. It is recommended to update to the latest system version in time

If your mobile phone is not the latest version, please back up the data in advance (QQ, WeChat and other third-party applications need to be backed up separately). Network locations are updated to the latest system version in a timely manner.

If your mobile phone still only has a 2G signal, please contact Huawei’s consumer service hotline (950800), or back up your data in advance (third-party applications such as QQ and WeChat need to be backed up separately), and bring the relevant purchase documents with you. With the voucher, go to the nearby Huawei Customer Service Center for testing.

Related links are as follows: Huawei Customer Service Center Repair Spare Parts Price Inquiry Send Repair Service Appointment Service