I sent a text message to my friend's mobile phone, which showed "Not Received"! !

Possible scenario 1: if the other party doesn't stop, it proves that the other party's SMS storage is full, only

Just notify the other party to delete some information!

Possible scenario 2: the other party's mobile phone is turned off or out of service. The information will be saved on the server,

As long as the phone is turned on within 48 hours, the information will be transmitted to the mobile phone, and after 48 hours, the information will be automatically deleted.

Except!

Possibility 3: The other party has set Do Not Disturb through China Mobile Phone Secretary 12580, but you will accept it.

To the corresponding reminder information.

Also, there is no way for mobile phones to refuse information, and it is impossible to set up a firewall.

In addition, the short messages stored in your mobile phone's "sent messages" have at least been sent to the server.

Yes If the other party is turned on and in the service area, the information will be immediately transmitted from the server to the other party's mobile phone.

In fact, if the other party is turned off or out of service, the information will be saved on the server for 48 hours. if

The other party didn't turn on the phone within 48 hours. This email will be automatically deleted.

So, even if you clear all the information in the "sent message", if the other party opens it within 48 hours,

Machine, your message will be received by the other party. Whatever has been sent out, you can't take it anyway.

Yes! !

thank you