There is no message on the mobile phone WeChat to remind you what happened.

If you can't receive information after the phone is turned on or restarted, this is normal, because the application will not start after the restart, and you can't receive information at this time. Please start the application to see if the received message is normal.

If you use a Huawei mobile phone, the third-party application runs in the background or the screen of the mobile phone is closed for a period of time, but you can see these messages after entering the application. Please troubleshoot according to the following methods:

1. Please update the mobile phone system and application version to the latest version.

(1) It may be that the old version of the application is not compatible with the latest system version of the mobile phone. Please update the application to the latest version in Huawei application market or official website.

(2) Adaptation of some applications may require the version of the mobile phone system. Please check and update the version of the mobile phone system:

Go to phone settings, search for software updates or system updates, and then click Check for updates. If there is a new version, it is recommended that you back up your data in advance (third-party communication applications need to be backed up separately) and upgrade to the latest version in time.

2. Please turn on the application message notification permission.

(1) notification permission for mobile phone opening

Enter the notification center/notification of settings: find the application to be set, set it to allow notification, and set the notification mode of various messages of the application (ringtone, vibration, banner, screen lock notification, interruption allowed or desktop icon corner, etc.). ) and turn off the mute notification switch.

② The application opens a message reminder.

Some applications need to turn on message reminders in their own settings. Please enter the application and set it according to the actual interface of the application. Take WeChat as an example, enter the new message reminder of WeChat Click Me Settings, and open the new message notification.

Tip: Some applications can't receive message reminders after logging in to the PC.

3. Keep the network open

(1) It may be that the networking permission of this application has been turned off.

Enter the mobile phone housekeeper, click the Traffic Management application networking, find the application, and check the mobile data and WLAN options.

(2) Maybe you turned on the traffic saving mode, so you didn't receive the message.

Enter the flow saving mode (intelligent flow saving) of the mobile phone housekeeper by clicking the flow management, and turn off the flow saving mode or the intelligent flow saving switch. If you don't want to turn off the traffic saving mode, you can find the application under the list of applications that are not restricted by data consumption and turn on the switch.

(3) It may be that the mobile phone cannot automatically use the mobile data connection without WLAN. Please turn on the WLAN/ mobile data connection switching prompt or always turn on the mobile data switch.

HarmonyOS system & Ampemui 8.x/9.x/10.x11.0: Search and enter mobile network/mobile data in the settings, and then select Advanced; WLAN/ mobile data connection switching prompt; Click to change the status to automatically use mobile data connection.

Warm reminder: After setting this option, there will be no prompt to switch to mobile data. Please pay attention to the traffic consumption of mobile data in time.

(4) It may be that the mobile phone is disconnected while sleeping, resulting in no message. Please turn on the switch that always keeps the network connection when sleeping.

Go to Settings, search and click "Always stay connected to the network when sleeping", and then turn on this switch.

4. Please open the application background running permission.

It may be that the application can't run in the background, or the application was cleaned when cleaning the background, resulting in the inability to receive messages.

(1) allows applications to start themselves and run in the background.

Enter mobile phone housekeeper to start management (application startup management), turn off the automatic management switch of the application, and turn on self-startup, associated startup and background activities.

② Lock the multi-task interface.

HarmonyOS system & ampEMUI 9. X and above: enter the multitasking interface, select the application, and slide the application down. When the lock icon is displayed in the upper right corner of the application, it means that the application has been locked. If you slide down again, it will be unlocked.

EMUI8。 X and below: enter the multitasking interface, select the application, and then click the lock icon. When the lock changes from the open state to the closed state, it means that the application has been locked. Click it again to unlock it.

5. Please confirm whether the power optimization function is turned on.

(1) When the system is awakened by high power consumption, you may have closed the application manually.

When there is a reminder of the high power consumption of the application, it is recommended that you choose not to prompt again and do not close the application directly. (Some mobile phones do not support high power consumption reminders, please refer to the actual situation of mobile phones. )

(2) It may be that you have turned on power saving mode and super power saving.

It is recommended that you enter the Settings battery and turn off the power-saving mode and super power-saving switch.

Allow battery optimization to be ignored

HarmonyOS system & ampEMUI 9. X and above: enter the mobile phone settings, search for battery optimization, click the small triangle, select all applications, find the application, and set it as disallowed;

EMUI 8。 X and below: enter the phone settings, search and ignore battery optimization, click on the small triangle, select all applications, find the application, and set it to allow.

6. Please confirm whether the smart maintenance rules of mobile phone housekeeper have not been updated.

It may be that the smart maintenance rules of mobile phone housekeeper have not been updated. We recommend that you follow the following methods:

(1) Enter the mobile phone housekeeper, click the setting icon (gear button) in the upper right corner, and turn on the intelligent maintenance switch;

(2) Enter Settings, search into Application Management, find the mobile phone housekeeper, and click Store; Delete data. Keep the network unblocked, open the mobile phone housekeeper, wait for its self-check, and restart the mobile phone after the final score appears.

Tip: This operation will restore other settings of mobile phone housekeeper, and it is recommended that you reset them.

7. Please uninstall and reinstall the application and try again.

(1) Uninstall the third-party mobile phone housekeeper application.

Third-party mobile phone housekeeper software may manage applications. Please confirm whether other third-party software such as mobile phone housekeeper or security guard is installed on your mobile phone. It is recommended to delete the third-party software or put it in the trust list.

② Uninstall and reinstall the application.

It is recommended that you uninstall the application after backing up the application data, and try again after downloading, installing and opening the required related permissions in Huawei application market or official website.

If all the above operations have been configured and the problem still exists, it is recommended that you back up important data in advance (third-party communication applications need to be backed up separately) and bring the purchase voucher to Huawei Customer Service Center for testing.