If you are looking to transfer your Contacts from Old Samsung or any android phone to new Samsung or any android phone then you can do it easily using few easy steps
Import Contacts from Gmail to Android Phone
All play store profile and all android phone is linked with Gmail id and you need to use that Gmail id to transfer your contacts, Just backup your contacts and then use same email id in a new phone and transfer all your contacts into that phone.
Simple and easy, you don’t require any software or desktop to transfer your contacts.
To do This Tap “Settings”> “Accounts and Sync”/ “Accounts”> “Add Account”> “Google”
Follow the path above to add Google account on the new phone. When prompted for which account you want to add, tap “Google” and proceed with “Next” button. Then type the Gmail address and the password into the device.
Tap on the Gmail account in the settings and tap “Sync” button
With the account added, tap on the Gmail account and tap “Sync” button. Then wait a while until the entire process is complete. After all these, you should see all the synced contacts on the new device.