Samsung Galaxy S4: How to Import or Export Contacts in Contacts App

Add all of your contacts in the Contacts app is the best way to facilitate you to organize them and make you more easier when you want to use them later, such as make a call or send a message. No more worries about forgetting phone number of the certain person you wish to call/text with. Moreover, if you add the new contacts to the phone memory, you'll be provided with more options to customize