Create a Contact:

  1. Open “Contacts
  2. Tap “+
  3. Choose to store the contact on “SIM card” or “Sync with Google
  4. Enter the contact’s phone number, name, and other optional details in the appropriate fields
  5. Tap “Save” to confirm

Import/Export Contacts:

  1. Launch “Contacts
  2. Tap “Menu” and go to “Settings
  3. Tap “Manage contacts” > “Move contacts from phone…
  4. Select the account with which to sync the contacts
  5. Tap “Move” > “Import / Export contacts
  6. Perform one of the following steps:
    • To import contacts: tap “Import” > “SD Card” and select the contacts to import. Next, tap “Internal storage” > “Done” > “Import” > “OK
    • To export contacts: tap “Export” > “SD card” and select the desired contacts, then tap “Done” > “Export” > “OK

Assign Contacts to Speed Dial:

  1. Open “Phone
  2. Go to the “Contacts” tab
  3. Tap “Menu” > “Speed dial
  4. Select the dial pad number you want to use and the contacts you wish to link with it
  5. Press “Back” to confirm

Delete Contacts:

  1. Open “Contacts
  2. Select the contact you want to delete
  3. Press “Menu” and tap “Delete” two times to confirm

Create a Caller Group:

  1. Launch “Contacts
  2. Tap “Menu” and access “Groups
  3. Tap “Create” and enter the desired name for the group
  4. Optionally, select a group ringtone and add contacts
  5. Tap “save” when ready

Assign Contacts to an Existing Caller Group:

  1. Launch “Settings
  2. Select the desired contact
  3. Tap “Details” > “Edit
  4. Tap “Groups” and tick the check boxes associated with the desired caller group
  5. Press “Back” > “Save

See More: Samsung Galaxy J2 (2017): Create and Manage Contacts & Caller Groups