If you have read receipts enabled, the other person will only know that you saw their message. You can disable read receipts at any time. If you want to save a conversation, you can take a screenshot.
Make sure to update your iPhone or iPad to the latest version.
If you have pinned messages, they’ll appear at the top.
After clicking the icon, the picture or video will begin downloading to your device. You’ll see a checkmark when it’s finished, and the download icon will disappear.
Tap See All underneath the Photos header. Tap the photo you want to save. Tap the Share icon in the bottom-left corner. A pop-up menu will open. Tap Save Image or Save Video. Your picture or video will be saved to the Recents album in the Photos app. If needed, you can also access Messages on iCloud to find synced messages.
Use this method to disable read receipts on the Messages app. Recipients will only see that their messages have been delivered.
Use this method to disable the “Shared with You” feature that shows you photos from Messages in your Photos app.