Block Calls:

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

Unblock Calls:

  1. Access the phone’s “Settings” menu
  2. Go to “Call” > “Call reject
  3. Tap “Reject calls from” and tap the “trash can” icon
  4. Select the numbers you want to unblock and tap “Delete
  5. Tap “Yes” to confirm

Block Messages:

  1. Tap “Messaging” on the home screen
  2. Select the conversation thread exchanged with the contact / phone number you want to block
  3. Tap “Menu” > “Register spam number
  4. Select if you want to “Delete all messages of the selected number
  5. Tap “Yes

Unblock Messages:

  1. Open “Messaging” and tap “Menu
  2. Tap “Spam manager” > “Spam settings
  3. Tap “Spam numbers
  4. Tap the “trash can” icon and select the phone number you want to unblock
  5. Tap “Delete” > “Yes” to confirm

Forward Calls:

  1. Open the apps drawer
  2. Access the “Settings” menu
  3. If necessary, go to the “General” tab
  4. Tap “Call” > “Call forwarding
  5. Select to “Always forward” and enter the phone number you want to use for call forwarding (or tap “Contacts” and select a contact)
  6. Tap “Turn on

Forward Calls (Conditional Forwarding):

  1. Go to “Settings
  2. Tap “Call
  3. Tap “Call forwarding” under “Incoming call
  4. Under “Forward if”, tap “Busy”, “Unanswered” or “Unreachable
  5. Enter or edit the phone number to forward calls to (or select a contact from the phonebook)
  6. Tap “Update” / “Turn on

Turn Off Call Forwarding:

  1. Tap “Apps” on the home screen
  2. Open the “Settings” menu
  3. Tap “Call” > “Incoming call
  4. Tap “Call forwarding
  5. Select “Always forward” or a different forwarding option you want to disable
  6. Tap “Turn off

Clear the Call Log:

  1. On the home screen, tap “Phone
  2. Access “Call logs” and tap a call log entry to view more details
  3. To reset the call log, go to the “Call logs” screen and tap “Menu
  4. Tap “Clear all” > “Yes

See More: LG K10: Block / Unblock Calls & Messages; Forward Calls; Reset the Call Log