Check the Messages app’s Trash, Recently Deleted, or Archive folder
Restore from a Google One backup if SMS backup was enabled
Restore from the phone’s built-in backup feature if available
Use your carrier’s message backup or recovery service
Restore a full device backup from Google Drive or manufacturer cloud backup
Use third-party SMS recovery software on a computer
Stop using the phone immediately to avoid overwriting deleted data
Connect the phone to a computer and scan with recovery software
Check synced devices such as tablets, smartwatches, or linked messaging apps
Ask the sender to resend the deleted message
Contact your mobile carrier to ask about message retention options