How to cancel the SMS synchronization between Apple phone and ipad?

1, ipad, the main reason for SMS synchronization: using the same ID account and opening iMessage. You can cancel the synchronization function as long as it is turned off.

2. It is best not to use the same AppleID account for Apple devices, especially if the mobile phone has something to do with it, mainly to set up the data information of the backup mobile phone.

3. Close to cancel the synchronization of iMessage messages. You can turn off the iMessage function, click Settings-Information -iMessage, and then turn off the iMessage function of both devices.