Block Incoming Calls:

  1. Open “Phone” and tap “Menu
  2. Tap “Settings
  3. Go to “Blocked numbers
  4. Follow one of the steps below:
    • To block a phone number: enter it and set the match criteria to “Default
    • To block unknown callers: enable “Block unknown callers
    • To block a contact: access “Contacts” or “Recents” and select the contact or entry

Unblock Calls:

  1. Open “Phone
  2. Tap “Menu” > “Settings
  3. Tap “Blocked numbers
  4. Tap the “-“ symbol associated with the phone number/contact you want to unblock

Block Messages:

  1. Open “Messages
  2. Tap “Menu” > “Settings
  3. Go to “Blocked messages” > “Block numbers
  4. Enter the phone number you want to block and tap “+” or select a contact from “Inbox” or “Contacts

Unblock Messages:

  1. Open “Messages
  2. Tap “Menu” > “Settings
  3. Tap “Block numbers
  4. Tap the “-“ symbol next to the phone number/contact you want to unblock

Reset the Call Log:

  1. Open “Phone
  2. Access “Recents
  3. Tap “Menu” > “Delete” and select the desired call log entry or tap “All
  4. Tap “Delete

Enable Call Forwarding:

  1. Open “Phone
  2. Tap “Menu” > “Settings
  3. Tap “More settings” > “Call forwarding
  4. Select “Always forward
  5. Enter the phone number you want to forward calls to or select a contact from the phonebook
  6. Tap “Turn On

Enable Conditional Call Forwarding:

  1. Launch “phone” and tap “Menu
  2. Tap “Settings” > “More settings
  3. Tap “call forwarding
  4. Select to forward incoming calls “When unreachable” “When unanswered” or “When busy
  5. Enter the phone number you want to use for call forwarding or select a contact from the phonebook
  6. Tap “Turn On

Disable Call Forwarding:

  1. Launch “Phone” and tap “Menu
  2. Tap “Settings” > “More settings
  3. Tap “Call forwarding
  4. If necessary, select the forwarding option you want to disable
  5. Tap “Turn Off”



See More: Samsung Galaxy M20: Block/Unblock Calls and Messages, Manage Call Forwarding Settings