Cheap apps help to backup sms on android device, supports schedule backup and the price is very cheap. everybody can use it because this app build in very simple interface, A simple App to Backup and Restore android SMS Messages. This is a Paid No-Ads version of the Ad-Supported Free App.

Note: On newer phones with inbuilt storage the default backup location will probably be the internal storage card and not the external. This is because the phone reports the storage that way. If you intend to do a factory reset on the phone, please make sure you save/email a copy of the backup outside the phone before doing the reset.
* Automatic Scheduled Backups.
* View Backup Contents.
* Backups created in XML Format on the SD Card.
* Option to backup selected conversations only.
* MMS not supported yet.
* FAQs 

NOTE: There is a known problem with some firmware versions of the Droid X and Droid 2 phones that the restored messages do not get the correct time stamps.
This App needs the following permissions to work:
* Storage – modify/delete SD card contents (android.permission.WRITE_EXTERNAL_STORAGE): To create the xml file on the SD card.
* Your messages – edit SMS or MMS, read SMS or MMS (android.permission.READ_SMS, android.permission.WRITE_SMS): Needed to read SMS during backups and write them during restore.
* Your personal information – read contact data (android.permission.READ_CONTACTS): To display and store the contact names in the backup file.
* System tools – prevent phone from sleeping (android.permission.WAKE_LOCK): To prevent the phone from going to sleep/suspended state while a backup or restore operation is in progress.
* Hardware controls – control vibrator (android.permission.VIBRATE): To vibrate the phone when the backup or restore operation is completed.

Buy the original version of SMS Backup & Restore Pro 5.5 APK here