To recover contacts from Samsung Galaxy,such as Galaxy S5/S4/S3, Galaxy Notes, Galaxy Ace and other Samsung phone phones,you can use a Android Data Recovery
1. Connect your Samsung Galaxy to the computer
Before doing anything else, install and launch it on the computer. Then connect your Samsung Galaxy to the computer with a USB cable. After running the program, you'll get the main interface below. Your device will be detected immediately.
2 Enable USB debugging
3 Analyze and scan your Samsung Galaxy
4 Preview and recover contacts from Samsung Galaxy
with the assistant of Samsung Contacts Recovery, they can perform contacts recovery from Samsung Galaxy.
How to Recover Deleted Contacts from Samsung