Why didn't Glory 7 send text messages regularly?

It is suggested to confirm whether it is a card problem. It is suggested to change your mobile phone to see if there is the same problem. Confirm whether the SMS center number is set correctly, and the correct SMS center number can be obtained by contacting the operator. If security software such as 360 is installed, please uninstall and try again, or restore the factory settings. When the cell phone is in a place where there is no signal or the signal is weak, the information may not be sent successfully. Please try again where the signal is strong. The network system is busy, especially during the peak period of holiday information transmission, and the information transmission may be unsuccessful. Please avoid the rush hour and try again. The format of the sending number is incorrect, which may lead to the failure of sending information. Please enter the correct number and try again.