Unicom dawang card SMS

If Unicom Dawang Card often receives the message "Sorry, the destination address you replied can't be reached", it generally means that the mobile phone has been sent, but it can't be sent to the other party normally, and there will be this reminder, which is usually caused by the incorrect setting of the target code in the mobile phone settings or mobile phone security manager and other software. Please check whether there is a default way to get the traffic value in the mobile phone settings or the traffic monitoring of the security manager. If there is, observe whether you continue to receive this reminder after turning it off. If set, you need to continue to receive this reminder.