Follow the steps below to backup your data from Samsung Galaxy S4.
- First, go to Settings and click on Account tab
- Click on Backup and reset but ensure you are logged in to Google account to backup your data. Tap on Backup account, and click on Add account if required and after that follow the steps to login to Google account.
- If required then click on backup my data to select check box
- Or if necessary then click on Backup account
All these steps will help you to backup your data from Samsung Galaxy S4. After that, its time to transfer your data to other Android phone. You need a transfer tool like Android Transfer to move your data from Samsung Galaxy S4 to other phone.
See more on: http://www.androiddata-recovery.com/blog/phone-to-phone-contacts-transfer