Others use Apple iMessage to send me text messages. People who don't know can see what's going on, but the account can't. ...

1, this is because two mobile phones * * * used the same AppleID, and then turned on iMessage. Using a different AppleID or turning off iMessage can solve this problem. Here is an example of iPhone7 turning off iMessage. The specific method is as follows: First, click "Settings" on the mobile phone desktop.

2. The iMessage message sent by 2.iPhone can identify the AppleID, so all Apple devices with the same AppleID can receive and reply. The following is the state diagram before sending the iMessage message. IMessage is an instant messaging software launched by Apple, which can send short messages, videos and so on. It has high security.

3. Check the iCloudid of these two users. In this case, their iCloud is bound with your option to turn off their information synchronization, or ask them to log in to their own iCloudid. The advantage of this is that they are no longer disturbed by information.