Check the app’s built-in archive, trash, or recently deleted folder
Restore from a cloud backup if one exists
Use notification history if the message content was shown in notifications
Check linked devices or web versions of the messaging app
Ask the sender to resend the message
Use a third-party notification log app if it was installed before the message was deleted
Recover from a local device backup if available
Contact the app’s support if the service offers message recovery
Avoid uninstalling or clearing app data before checking backups