How to backup contacts and sms messages from Samsung Galaxy S3 4G LTE
We used PhoneCopy.com service for this guideline. Using it, your can backup your contacts from your Samsung Galaxy S3 4G LTE easily. The whole backup, including the settings, can be done in several minutes.
Download PhoneCopy for Android to your Android phone, which you can download free of charge. After downloading and installation, go through following steps.
Backup contacts and SMS from your Android
Run the app and create new account. You can check which contact databases you want to backup and synchronize. You can do multiple choice.
After successful login, press "Advanced & Account". Select "One-way sync" and after choose "This device >> server".
Contacts from your Android phone will be copied to PhoneCopy.com server in few seconds.
Now you have all your contacts backed up on PhoneCopy and you can edit all your contacts in your online account. If you lose your phone or the stored data, or if you just run out of battery, you can see your contacts online.
Some additional tips:
Contacts can be then transferred to another device (eq. iPhone, Nokia, SonyEricsson, Samsung, LG etc). See PhoneCopy site for supported devices.