Enable Call Forwarding:

  1. Open “Phone” and tap “Menu”
  2. Access “Settings” and tap “Call forwarding” (NOTE: this option might not be available if it is unsupported by your carrier)
  3. Enter the phone number you want to forward calls to or select a contact from the phonebook
  4. Tap “Enable” to confirm

Enable Conditional Call Forwarding:

  1. Launch “Phone”
  2. Tap “Menu” and access “Settings”
  3. Go to “Call forwarding”
  4. Select to forward incoming calls “When unanswered”, “When unreachable” or “When busy”
  5. Enter the phone number you want to forward calls to or select a contact
  6. Tap “Enable” / “Update”

Turn Call Forwarding OFF:

  1. Open “Phone”
  2. Tap “Menu” > “Settings”
  3. Access “Call forwarding”
  4. Select a forwarding option to turn off
  5. Tap “Disable”

Block / Unblock Incoming Calls:

  1. Tap “Apps” on the home screen
  2. Open “Contacts”
  3. Go to “All contacts”
  4. Select the desired contact and tap “Edit”
  5. Tap “Menu” and enable “All calls to voicemail”

NOTE: To unblock calls, follow the same steps above, select the contact you want to unblock, tap “Edit” > “Menu” and disable “All calls to voicemail”

Block Messages using Google Messenger:

  1. Open Google “Messenger”
  2. Tap the message thread exchanged with the contact you want to block
  3. Tap “Menu” > “People & options”
  4. Tap “Block [phone number]”
  5. Press “OK” to confirm

NOTE: The conversation thread and future messages from the blocked contact will be added to archives.

Unblock Messages in Google Messenger:

  1. Launch Google “Messenger”
  2. Tap “Menu” > “Archived”
  3. Select the conversation thread exchanged with the contact you want to unblock
  4. Tap “Menu” > “Unarchive”
  5. Press “Menu” again and access “People & Options”
  6. Tap “Unblock [phone number]”



See More: OnePlus 3T: Manage Call Forwarding; Block / Unblock calls & Messages