Check your phone’s built-in trash, recently deleted, or message archive folder
Restore from your cloud backup if SMS backup was enabled
Restore from your device backup if you have one saved on a computer or external storage
Use your carrier’s account tools to see if message logs or backups are available
Ask the sender to resend the message
Use data recovery software if the messages were deleted recently and the storage has not been overwritten
Contact your phone manufacturer or service provider for recovery options
If the messages are important, stop using the phone until recovery is attempted to reduce overwriting