human
How to block unknown callers on my phone?
assistant
Block Unknown Callers
1. Open Settings.
2. Tap Do Not Disturb.
3. Toggle on "Do Not Disturb" mode.
4. Tap Allow Calls From.
5. Tap All Contacts.
Android:
1. Open Phone.
2. Tap the three-dot menu.
3. Tap Settings.
4. Tap Block numbers.
5. Toggle on "Block anonymous calls."