Mobile phones can't send and receive short messages.

If you use a Huawei mobile phone, and the mobile phone can't receive SMS, you can do the following:

1. Unable to receive enhanced information.

If "enhanced information" is displayed in the SMS edit box, it means that the mobile phone is sending a short message with enhanced information. If you cannot receive the enhanced information, you can do so in the following ways:

1. After the enhanced information is sent, the other party cannot receive it.

Your message or number may be controlled by China Mobile's security policy, and China Mobile did not send it to the receiver after receiving the message. For details, please call the mobile customer service number 10086 to confirm the cause of the problem.

2. The enhanced information is the first login, and the content of the received information has nothing to do with the enhanced information service.

There are still some defects in the background information push function of enhanced information, so after the first login of enhanced information, the information pushed by China Mobile is wrong. You can call 10086 to check the correctness of the pushed information.

3. Enhance information message display garbled code

(1) The receiver's mobile phone does not support enhanced information.

Warm reminder: if you send text content, it will be sent to the receiver by SMS; If you send a picture, the recipient will receive a link.

(2) Forwarding some message types of enhanced information (such as cards and public accounts) to mobile phones will display garbled codes. Due to the lack of the function of China Mobile Enhanced Information Server, the message you received is garbled. You can call 10086 to find out the problem of short message garbled.

4. Increase information charges

The sender sends a message through enhanced information (enhanced information status: the background color of the sent information is blue). If the receiver is not in the enhanced information login state, the server will send the message to the receiver in the form of ordinary short messages. This situation may result in expenses. Please call the operator's customer service hotline for details.

Warm reminder: To confirm whether the message is enhanced, you can check it through the information details. Steps to view information details: enter the information dialogue interface, press and hold the message you need to confirm, Select More from the pop-up menu to view information details, and view the type in the information type. The type of enhanced information is chat information, and the other types are ordinary short multimedia messages.

If the message type that cannot be received is "General Message", please continue to check.

Second, some short messages can't be received.

For example, after sending short messages to operators (China Mobile 10086, China Telecom 10000, China Unicom100), can you successfully receive a reply? If so, it means that some short messages cannot be received by mobile phones.

1. Please check whether the number is saved in the privacy space.

You can enter the settings, search and enter the privacy space, and open the information to see if there is any record of receiving SMS. If yes, please move the required contact to the main space and try again. Operation method:

(1) In the privacy space, go to Settings; Security and Privacy privacy space, click the privacy space to the main space;

(2) Select and check the files (such as contacts) to be transferred, click Move, and then complete the transfer according to the screen prompts.

2. Please check whether there is a blacklist in the harassment interception of mobile phone housekeeper.

Please delete the number from the blacklist if necessary, and then try:

Mobile phone housekeeper "harassment interception" upper right corner gear button/interception rules "blacklist.

3. Please check whether intercepting all strangers is set in the harassment interception of mobile phone housekeeper.

Turn this switch off as needed and try:

Mobile phone housekeeper harassment interception SMS interception rules intercept strange SMS or mobile phone housekeeper harassment interception SMS interception rules stop all strangers.

4. Please check whether there is any third-party housekeeper application intercepting this message.

Some security management applications will intelligently filter the received SMS, so it is recommended to uninstall this application. These applications are generally named after "XX housekeeper" or "XX assistant".

Please check if you just can't receive the SMS sent by Apple.

If you just can't receive the SMS sent by Apple, you can receive the messages sent by other phones. It may be because your mobile phone number was bound to an Apple device before, and the other party sent you an iMessage instead of an ordinary SMS. Please refer to Apple's official instructions to unbind the phone number from the iPhone device. The specific steps are subject to Apple's official instructions.

6. Please check whether the short message contains sensitive words, which makes the mobile phone unable to receive it.

Please use the test message to check whether it can be received normally, such as hello, thank you, goodbye. Please avoid sending sensitive words if you can receive them normally.

Third, all short messages can't be received.

1. Third-party SMS may have compatibility problems. Please check whether you have used a third-party SMS application. If so, go to Settings, search for the default application, and set the information as the system default.

2. You can drop down the status bar and try again by switching flight modes.

3. If the SIM card is currently enabled with VoLTE, please enter the settings, search for VoLTE, turn off the VoLTE HD call switch and try again; If you can't find the VoLTE switch or turn it on again, the problem is still unresolved. We suggest that you contact the operator to turn on the VoLTE function again, and then restart your phone to try.

4. Please go to Settings System and Update Developer Options. In the application, turn off the Keep Alive switch and set the Background Process Limit to Standard Limit.

5. Insert the SIM card into another mobile phone for fault diagnosis. If other mobile phones can't receive it, I suggest you consult the operator.

4. If the above troubleshooting fails to solve your problem, it is recommended that you clean up and restore the data.

1. Restore all settings of information.

EMUI: Information Three Points Settings Three points, and then select the following to restore the default settings.

HarmonyOS System: Four Points of Information; Settings "four points, select the following to restore the default settings.

2. Delete data and cached information (SMS will not be deleted)

Enter settings, search application management, find information, and click Save; Delete data.

3. Restore network settings

Go to Settings, search and restore network settings, click Restore Network Settings (WLAN, Bluetooth and other related data will be deleted), and then try to receive SMS.

Warm reminder: This operation will not delete data or files, but only restore the settings of WLAN, mobile data network and Bluetooth (such as hotspot connection information and Bluetooth pairing information), and other mobile phone settings will not be restored.

4. Before restoring the factory settings, please back up important data (QQ, WeChat and other third-party applications need to be backed up separately).

Enter settings, search for factory settings, and then click Restore Factory Settings.

Reminder: This operation will delete all data in your storage device, including account, system and application data and settings, installed applications, music, pictures and all files in the internal storage space.

If you use a Huawei mobile phone and the phone cannot send SMS, you can do the following:

1. "Enhanced Information" cannot be sent.

If "enhanced information" is displayed in the SMS edit box, it means that the mobile phone is sending a short message with enhanced information, which can be handled by the following methods:

1. Please turn off and turn on the enhanced message switch (SMS) again; Three-point button "Settings" enhanced information).

2. If you need to contact the other party urgently, I suggest you turn off the enhanced information function first, and then send the information by ordinary SMS, so that you can contact the other party in time.

3. If it is still unresolved, it is recommended that you consult the operator.

Second, some short messages can't be sent.

For example, send short messages to operators (China Mobile/KOOC-0/0086, China Telecom/KOOC-0/0000, China Unicom/KOOC-0/00/0). If the short message is sent successfully, it means that some short messages cannot be sent.

1. If the short message contains sensitive words, the other party cannot receive it after sending it.

Please use test statements to send short messages to confirm whether they can be received normally, such as hello, thank you, goodbye, etc. If you can receive it normally, it means that the short message you sent before may contain sensitive words, so I suggest you avoid sending sensitive words.

2. Please confirm whether the fixed dialing service has been started.

When fixed dialing is turned on, you can only send messages to contacts in the fixed dialing list, but not to other numbers. If you want to continue sending, please cancel the fixed dialing service.

You can enter the settings in the upper right corner of dial-up or telephone, and click Card 1 or more under Card 2 Fixed Dialing to turn off fixed dialing (you need to consult the operator about the PIN2 code required in the closing process).

3. If you are sending short messages in groups, it is recommended that you keep your mobile phone turned on or charged when sending short messages in groups.

4. If you can't send a short message to a short number (such as 1066), please go to Settings, search for the permission of paid SMS, and click Enter to find this information. It is suggested to set it as inquiry.

Third, all short messages can't be sent.

1. If your mobile phone is currently using a 5G network, it is recommended that you pull down the shortcut switch panel to turn off the 5G switch and try again.

2. Third-party SMS may have compatibility problems. Please go to Settings, search and enter the default application, and set the information as the system default.

3. You can switch flight modes, re-trigger the network and try again.

4. If the SIM card is currently enabled with VoLTE, please enter the settings, search for VoLTE, turn off the VoLTE HD call switch and try again; If you can't find the VoLTE switch or turn it on again, the problem is still unresolved. It is recommended that you contact the operator to turn on the VoLTE function again, and then restart the equipment to try.

5. If a "red exclamation mark" appears directly when sending a short message, please hold down the message of sending failure and select more. Check the details, contact the operator and feedback the error code.

6. Please check whether the number setting of the SMS center is normal:

(1) Please enter the settings in the upper right corner of the message, and then click Advanced to set the correct SMS center number in the SMS center (there is no SMS center for telecom cards). If you don't know the SMS center number, please contact the operator to get the SMS center number and set it.

(2) If the confirmation number is correct, but the setting fails, it is recommended that you set up a SIM card on other devices. If the setting still fails, it may be a SIM card problem. It is recommended that you bring your valid certificate to the operator's business hall to replace your SIM card.

7. Please insert the SIM card into another mobile phone for investigation. If other mobile phones can't be sent, I suggest you consult the operator.

4. If the above troubleshooting fails to solve your problem, it is recommended that you clean up and restore the data.

1. Restore the information to the default settings.

EMUI: Information Three Points Settings, select the following to restore the default settings.

HarmonyOS System: Four Points of Information; Settings "four points, select the following to restore the default settings.

2. Delete data and cached information (SMS will not be deleted)

Enter settings, search application management, find information, and click Save; Delete data.

3. Restore network settings

Go to Settings, search to restore network settings, click Restore Network Settings (this will delete WLAN, Bluetooth and other related data), and then try to send SMS.

Warm reminder: This operation will not delete data or files, but only restore the settings of WLAN, mobile data network and Bluetooth (such as hotspot connection information and Bluetooth pairing information), and other mobile phone settings will not be restored.

4. Before restoring the factory settings, please back up important data (QQ, WeChat and other third-party applications need to be backed up separately).

Enter settings, search for factory settings, and then click Restore Factory Settings.

Reminder: This operation will delete all data in your storage device, including account, system and application data and settings, installed applications, music, pictures and all files in the internal storage space.

If the problem still exists, please back up the data (QQ, WeChat and other third-party applications need to be backed up separately) and then take the purchase voucher to Huawei Customer Service Center for testing and processing.

Related links are as follows: Appointment service Huawei Customer Service Center maintenance spare parts price inquiry service.