Create a New Contact:

  1. Launch “Contacts
  2. Tap “+” and select to store the new contact on the “SIM card”, “Device”, or on your “Google” account
  3. Enter the contact’s phone number, name, and other details in the appropriate fields
  4. When you’ve finished editing the contact, tap “Save”

Import / Export Contats:

  1. Open “Contacts
  2. Tap “More
  3. Go to “Settings
  4. Tap “Import / Export contacts
  5. To import contacts, tap “Import” > “Device storage” or “Device
  6. To export contacts, tap “Export”, select the location where to export the contacts (“SIM Card” or “Device storage”)
  7. Tap “OK

Add a Contact to Speed Dial:

  1. Tap “Phone” on the home screen
  2. Tap “More” > “Speed dial
  3. Tap the speed dial number you want to use for speed dialing
  4. Select the contact you want to link with the speed dial number
  5. Tap “Back” to automatically save the changes

Delete a Contact:

  1. Launch “Contacts
  2. Select the desired contact and tap “More
  3. Tap “Delete” twice to confirm and remove the contact

Create a New Caller Group:

  1. Open “Contacts
  2. Select a contact to add to the new group you will create
  3. Tap “Edit” > “Groups
  4. Tap “Create group
  5. Enter the name of the group and tap “Create
  6. Tap “Back” > “Save

Add a Contact to an Existing Caller Group:

  1. Open “Contacts
  2. Select the contact you wish to add
  3. Tap “Edit” > “Groups
  4. Tap a group to add the contact to
  5. Tap “Back” and press “Save” to confirm

Reset the Call Log:

  1. On the home screen, tap “Phone
  2. Access the “Logs” tab
  3. Select a call log entry for more details
  4. To clear the call log, first return to the “Logs” screen
  5. Next, tap “More” > “Settings
  6. Tap “Edit” and turn on “Select log items
  7. Tap “Delete

See More: Samsung Galaxy J7 (2016): Create and Manage Contacts & Caller Groups