Block Incoming Calls:

1. Open “Phone”
2. Tap “More” > “Settings”
3. Go to “Call rejection”
4. Tap “Auto reject list” and follow one of these steps:
   
   • To block a phone number: enter it and, optionally, select a “Match criteria”
   • To block calls from a contact or call log entry: tap “Contacts” or “Logs” and select the desired call log entry or contact to block
   • To block unknown callers: set the switch next to “Unknown” to “ON”

Unblock Incoming Calls:

1. Open “Phone”
2. Tap “More” > Settings”
3. Tap “Call rejection”
4. Go to “Auto reject list”
5. Tap “-“ next to the symbol you want to unblock

Block / Unblock Messages:

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

Block Messages via Settings:

1. Open “Messages”
2. Tap “More” > “Settings”
3. Tap “Spam filter” and enable “Manage spam numbers”
4. Follow one of the two steps below:
   
   • Tap “Inbox” or “Contacts” and select the desired phone number to block
   • Enter the phone number you want to block and tap “+”
5. Press “Back” to confirm the changes

Unblock Messages via Settings:

1. Launch “Messages”
2. Tap “More”
3. Go to “Settings”
4. Tap “Spam filter” > “Manage spam numbers”
5. Tap the “-“ symbol associated with the number you want to unblock
6. Tap “Back”

Enable Call Forwarding:

1. Tap “Phone” on the home screen
2. Then, tap “More” > “Settings”
3. Access “More settings”
4. Tap “Call forwarding”
5. Select to “Always forward” and enter the phone number you want to use for call forwarding (or alternatively, select an existing contact)
6. Tap “Turn on”

Enable Conditional Call Forwarding:

1. Launch “Phone”
2. Tap “More”
3. Go to “Settings” > “More settings”
4. Tap “Call forwarding”
5. Choose to “Forward when unreachable”, “Forward when unanswered” or “Forward when busy”
6. Edit or add the phone number you want to forward calls to
7. Tap “Update” / “Turn on”

Disable Call Forwarding:

1. Tap “Phone” on the home screen
2. Tap “More”
3. Access “Settings” > “More settings”
4. Tap “Call forwarding”
5. Select the forwarding option you want to disable
6. Tap “Turn off”