Yesterday I deleted many messages and large attachments from my iPad. I thought the same messages would also be deleted on my iPhone ? They are still there !!!
How to delete messages on iPad and iPhone at the same time.
iPad Air, iOS 11
Question marked as
Best reply
Ensure the Messages in iCloud is enabled for both your iPad and iPhone:
Settings > [Your Name / AppleID] > iCloud > Messages - set to ON
This setting will keep your devices synchronised; deletion of a message from one device will delete from both.