Block Incoming Calls:

  1. Open “Contacts
  2. Access “All contacts
  3. Tap the contact/phone number you want to block
  4. Tap “Edit” > “Menu” and enable “All calls to voicemail

Unblock Calls:

  1. Launch “Contacts
  2. Access “All contacts
  3. Tap the contact whose incoming calls you want to unblock
  4. Tap “Edit” > “menu
  5. Disable “All calls to voicemail

Block Messages:

  1. Open Google Messages
  2. Select the conversation exchanged with the contact/phone number you want to block
  3. Tap “Menu” > “People & Options
  4. Tap “Block [phone number]” > “OK

NOTE: the conversation and future messages from the blocked contact will be archived and notification alerts are disabled for archived items.

Unblock Messages:

  1. Open Google Messages
  2. Tap “Menu
  3. Go to “Archived
  4. Select the conversation exchanged with the contact you want to unblock
  5. Tap “Menu” > “Unarchive
  6. Tap “Menu” again
  7. Access “People & Options” and tap “Unblock [phone number]”

Enable Call Forwarding:

  1. Launch “Phone
  2. Tap “Menu” > “Settings
  3. Go to “Call forwarding
  4. Enter or edit the phone number you want to use for call forwarding
  5. Tap “Enable

Enable Conditional Call Forwarding:

  1. Launch “Phone
  2. Tap “Menu” > “Settings
  3. Go to “Call forwarding
  4. Select to forward incoming calls “When unreachable” “When unanswered” or “When busy
  5. Enter or edit the phone number you want to use for call forwarding
  6. Tap “Enable” / “Update

Disable Call Forwarding:

  1. Open “Phone
  2. Tap “Menu
  3. Go to “Settings” > “Call forwarding
  4. If necessary, select the forwarding option you want to disable
  5. Tap “Disable



See More: Blackview A20 Pro: Block/Unblock Incoming Calls and Messages, Manage Call Forwarding