SMS Backup
http://www.veryandroid.com/pctool-for-sms-backup/how-to-backup-sms-from-android-on-computer--with-pc-tool-for-sms-backup.html Transfer sms from android to computer for backup? VeryAndroid SMS Backup is the first smart andriod sms backup and managment software. It can backup and transfer sms on Android phone to computer, restore sms backup file to any android phone, and also send messages or chat with a friend on computer directly, exactly the same as that you do on your android phone.
SMS Backup is a FREE SMS backup/restore application with all the features you want.
When you need to re-install the phone system; repair or change
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When you need to re-install the phone system; repair or change