Can Apple phones share an id message?

You need to turn on information synchronization in iCloud to see it.

Taking the iPhone 7 plus mobile phone as an example, the detailed steps to turn on the iCloud information synchronization switch are as follows:

1, open the phone desktop, and then click "Settings" as shown in the figure.

2. Click the "Apple ID, iCloud, iTunes and App Store" option at the top of the settings menu list, as shown in the figure.

3. Then click "iCloud" to enter iCloud synchronization settings, as shown in the figure.

4. Turn on the "information" synchronization switch, and the short messages of the two mobile phones will be synchronized. If you don't need to synchronize the short messages of two mobile phones, just click the synchronization switch to turn it off.