Block Incoming Calls:

  1. Open “Phone
  2. Tap “More
  3. Go to “Settings
  4. Tap “Call rejection” > “Auto reject list
  5. Follow one of the steps below:
    • To block a phone number: enter it and ensure “Exactly the same as” is enabled
    • To block a contact / call log entry: access “Logs” or “Contacts” and select the phone number you want to block
    • To block unknown callers: enable “Unknown

Unblock Incoming Calls:

  1. Launch “Phone
  2. Tap “More
  3. Go to “Settings
  4. Tap “Call rejection” and go to “Auto reject list
  5. Tap the “-“ sign associated with the phone number you want to unblock

Block / Unblock Messages:

  1. Launch “Messages
  2. Tap and hold the conversation thread exchanged with the contact / phone number whose messages you want to block
  3. Tap “Add to spam numbers
  4. To unblock messages, follow the same steps above and tap “Remove from spam

Block Messages via Settings:

  1. Open “Messages
  2. Tap “More” > “Settings
  3. Go to “Spam filter” > “Manage spam numbers
  4. Enter the phone number you want to block and tap “+”, or alternatively: tap “Inbox” / “Contacts” and select the contact / phone number you want to block
  5. Tap “Back” to confirm

Unblock Messages via Settings:

  1. Open “Messages” and tap “More
  2. Tap “Settings” > “Spam filter
  3. Tap “Manage spam numbers
  4. Tap the “-“ symbol associated with the phone number / contact you want to unblock
  5. Press “Back

Enable Call Forwarding:

  1. Launch “Phone
  2. Tap “More” > “Settings
  3. Access “More settings
  4. Tap “Call forwarding” and select “Always forward
  5. Enter the phone number you want to use for call forwarding
  6. Tap “Turn on

Enable Conditional Call Forwarding:

  1. Launch “Phone” and tap “More
  2. Open “Settings
  3. Tap “More settings” > “Call forwarding
  4. Select to “Forward when unreachable”, “Forward when busy” or “Forward when unanswered
  5. Enter the phone number you want to forward calls to
  6. Tap “Update” / “Turn on

Disable Call Forwarding:

  1. Open “Phone
  2. Tap “More” > “Settings
  3. Tap “More settings
  4. Access “Call forwarding
  5. Select a forwarding option if necessary
  6. Tap “Turn off



See More: Samsung Galaxy A3 (2017): Block / Unblock Calls & Messages; Manage Call Forwarding