They "catch" the message the moment it arrives and save a copy in their own database.
Apps like WhatsDelete or WAMR work by monitoring your notifications.
If you haven't cleared your notifications yet, you might still see the snippet of the deleted message in your pull-down Notification Center. 💻 WhatsApp Web & Desktop whatsdelete-view-deleted-messages
Follow the setup prompts and select Restore Chat History .
To view messages that a sender has deleted on WhatsApp, you generally have to rely on logs that captured the message before it was removed. While WhatsApp does not have an official "undelete" feature, several workarounds exist depending on your device. 📱 Android Methods They "catch" the message the moment it arrives
If you have Android 11 or newer, you can often view deleted texts without any extra apps. Go to Settings > Notifications > Notification History . Toggle it On to see a log of incoming messages.
Android offers the most flexibility due to how it handles notification data. 💻 WhatsApp Web & Desktop Follow the setup
These apps cannot recover messages sent before the app was installed. 🍏 iPhone Methods