Check the app’s built-in archive, trash, or recently deleted folder
Restore from a cloud backup such as Google Drive or Samsung Cloud
Use the phone’s local backup if one was created
Open Google Messages and check for archived conversations
Check WhatsApp chat backups in Google Drive and restore the backup
Check Telegram’s archived chats or cloud-synced history
Use notification history if it was enabled before deletion
Use SMS backup apps if they were previously installed and configured
Connect the phone to a computer and check for synced backups
Use a data recovery app only if the deleted data has not been overwritten
Contact the carrier for message records if the messages were SMS and available
Ask the sender or recipient to resend the messages