Some Android phones have a notification history feature, which helps you access deleted messages. For example, we can view deleted messages on WhatsApp, in case we accidentally delete a message and need to review the content. After activating this notification history feature, deleted messages on WhatsApp can be easily reviewed. Below are instructions for viewing deleted messages on WhatsApp.
Instructions for viewing deleted messages on WhatsApp
Step 1:
You access Settings on your phone then click Notifications section to adjust. Next, scroll down and click Advanced settings section to view advanced notification settings.


Step 2:
Then the user will see it Notification History feature to proceed with clicking Enable this feature on your phone.
Then you need to enable the notification history feature on your Android phone to apply it to future notifications on your phone.
Step 3:
When we delete WhatsApp messages and want to review them, below the Notification History feature you will see the WhatsApp application with the message notifications you received.