Short Message Delay in HarmonyOS System

Turn off the power saving mode or super power saving mode, and do not turn off the WeChat background operation for high power consumption.

The sending failure or sending reason of the enhanced information is always displayed. This number may be controlled by security policy, or the network is unstable. You can turn the enhanced message switch (SMS >:& gt；; Settings > enhanced information), if it is still unresolved, it is recommended to consult the operator under the feedback first.