If you've lost your text messages from your smartphones and want to recover them so you can follow the steps mentioned. below
Step 1: Firstly, Download and install app like SMS Back & Restore app.
Step 2: Open this app and click on Backup Option.
Step 3: Select all those files that you actually want to restorre then select back up local back up option. You can also transfer your restored messages to Dropbox, google Drive or an email address then upload it.
Step 4: To retrieve and restore your messages, select Restore option visible on the home screen.
Step 5: Selectall the messages and Click on Ok.
Step 6: Now the open Restore Backup Page and tap the name in te menu that you want to recover it.