SMS Backup & Restore is a simple Android application that backs up and restores your phone’s text messages and call logs.
+ LeTV devices The not yet supported. We are working on this. Come back here for an update.
+ App restores only backups made by this application
+ On Android devices, if you performed the restore and the messages are not in your email application, then:
+ Open your SMS messaging and deactivation application from the settings.
+ Run at startup: Start scheduled backups.
+ Vibration Control: To vibrate the phone when an operation is completed.
+ Disable Sleep Mode: Operation To prevent the phone from going to sleep / suspended state during a backup or restore is in progress.
For More Info Google Play
varies with device