Huawei Maimang 4 can't receive WeChat and Momo information in standby mode, please explain in detail.

Dear, please check the Wi-Fi advanced settings interface first, turn on the "Keep WLAN connection dormant" option, and select Always. Wi-Fi connection will be maintained after the screen is closed. Then click "Settings"->; "Power Saving Management" setting interface, find the application for downloading files among the protected applications, and turn on the protection switch, so that the system will keep the application running normally after the screen is closed. Finally, you can also change the "Keep WLAN connection dormant" option in power saving management. Please check whether this option is always in the power saving management settings.