Create a Contact:

  1. Launch “Contacts
  2. Tap “+” and select to store the contact on “SIM” “Phone” or to sync it with Google
  3. Add the contact details
  4. Tap “Done

Import/Export Contacts:

  1. Open “Contacts” and tap “Menu” > “Settings
  2. Tap “Manage contacts
  3. Tap “Move contacts from phone” and select an account with which to sync the contacts, if necessary
  4. Tap “Move” > “Import/Export contacts
  5. Follow one of the steps below:
    • When importing contacts: tap “Import” > “SD Card” and select the desired contacts, then tap “internal storage” > “Done” > “import” > “OK
    • When exporting 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 “Contacts
  3. Tap “menu” > “Speed dial”
  4. Select an unused speed dial key and the phone number/contact you want to associate with it

Delete Contacts:

  1. Launch “Contacts
  2. Select the desired contact
  3. Tap “Menu
  4. Tap “Delete” twice

Create a Caller Group:

  1. Launch “contacts
  2. Tap “Menu
  3. Go to “Groups” and tap “Create
  4. Enter the desired group name and customize the group as desired
  5. Tap “Save

Add Contacts to an Existing Caller Group:

  1. Launch “Contacts
  2. Tap and hold the desired contact then tap “Details
  3. Tap “Edit” > “Group
  4. Tick the check box associated with the desired caller group
  5. Tap “Back” > “Save

See More: Samsung Galaxy M10: Create and Manage Contacts and Caller Groups