Can you restore all deleted iMessages with iCloud if your iCloud updates your backup to the copy without the deleted iMessages?

Or does it add all deleted iMessages to the backup each time so you will never miss any deleted iMessages if deleted?

If the iCloud updates the backup to the copy without the deleted iMessages, then restoring the iCloud backup won’t help any more for the deleted iMssages you need.

But if you use iMessage on your iPhone, maybe you can try iMyfone D-Back iPhone data recovery software to recover your deleted iMessages. And the program also has Mac version.

The program can detect 20+ types of files on your iPhone, such as iMessages, contact, videos, photos, text messages and much more.Must read：Gihosoft Free iPhone Data Recovery:https://www.gihosoft.com/iphone-data-recovery-free.html

It will list all the iMessages, includign the deleted ones for your preview so that you can confirm what you will get by recovery.

And the free trial version of iMyfone D-Back Windows and Mac version is offered so that users can confirm whether their data can be detected. Try before Purchase, pretty thoughtful, right?

See more details on How to Retrieve Deleted iMessages iPhone with/without Backup.