How to cancel the wrong SMS of iphone6?

Hello, the error message cannot be undone. Pay attention next time and see clearly that you are transmitting information.

1, short message service (SMS) is a part of unified communication service plan. Users can directly send or receive text or digital information through mobile phones or other telecommunication terminals. The number of characters that users can receive and send short messages at a time is 160 English, numbers or 70 Chinese characters. Short message is a telecommunication service in digital mobile communication system. It is a non-real-time and non-voice data communication service to transmit text or digital short messages through the signaling channel and signaling network of mobile communication system. Once the data is sent out, there is no way to withdraw it, at least it is not supported at all now.

2. At the beginning of the development of short message service, the sending and receiving of short messages started from the mobile phone, and finally went to the mobile phone, passing through GSM network /CDMA network, short message center and other network elements; With the emergence of short message on demand and customized services, mobile phones, Internet sites and short message value-added service systems can send short messages to each other. Internet sites and short message value-added service systems have become new network elements, while GSM/CDMA networks and short message centers still maintain the core position of short message networks. With the emergence of PHS mobile phone based on fixed telephone network in China, the short message service is extended to fixed network, and the terminal is no longer limited to mobile phone. PHS mobile phone or special fixed terminal can be used as the sender and receiver of short message, and the network foundation is no longer limited to digital mobile networks such as GSM/CDMA network. Fixed network can also be the network foundation of short messages. The elements of SMS network have changed significantly, and SMS may be as common as WeChat now. At that time, the function may also have great changes.