Block Calls from a Contact/Phone Number:

  1. Open “Settings”
  2. Tap “Call” > “Decline and reject calls”
  3. Tap “Reject calls from”
  4. Tap “+” and follow one of the following steps:
    • To block a phone number or call entry: select it and tap “Done”
    • To block a contact: select the contact and tap “Done”
    • To block a new number: enter it and tap “Save”

Unblock Calls:

  1. Launch “Settings”
  2. Tap “Call” > “Decline and reject calls”
  3. Tap “Reject calls from” and tap the “Trash can” icon
  4. Select the phone numbers you want to remove
  5. Tap “Delete” > “Yes” to confirm

Block Messages:

  1. Launch “Messaging”
  2. Tap “Menu” > “Register spam numbers”
  3. Select whether or not to “Delete all messages of the selected number”
  4. Tap “Yes” to confirm

Unblock Messages:

  1. Open “Messaging”
  2. Tap “Menu” > “Spam manager”
  3. Tap “Spam settings”
  4. Access “Spam numbers”
  5. Tap the “Trash can” icon associated with the phone number you want to unblock from messaging
  6. Tap “Delete” > “Yes”

Enable Call Forwarding:

  1. Access “Settings”
  2. Tap “Call”
  3. Tap “Call forwarding” under “Incoming call”
  4. Select “Always forward”
  5. Enter the phone number you want to forward calls to, or tap “Contacts” and select an existing contact
  6. Tap “Turn on” to confirm

Turn On Conditional Call Forwarding:

  1. Launch “Settings”
  2. Tap “Call”
  3. Tap “Call forwarding” under “Incoming Call”
  4. Under “Forward if” choose to forward incoming calls when “Unanswered”, “Unreachable” or “Busy”
  5. Edit or enter the phone number you want to forward calls to. Alternatively, tap “Contacts” to select a contact from the phonebook
  6. Tap “Turn on” / “Update”

Turn Call Forwarding Off:

  1. Open “Settings”
  2. Tap “Call” > “Call forwarding”
  3. If necessary, choose the forwarding option you want to disable
  4. Tap “Turn off” to confirm


› See More: LG K4 (2017): Block / Unblock Calls & Messages; Manage Call Forwarding