4. If you don’t want to report the call as spam to Google, remove the checkmark.
5. Touch Block.
On the contact screen, you'll see   by the blocked numbers.
Block calls from unidentified callers
1.
Open the   Phone app.
2.
Touch   > Settings > Blocked numbers.
3.
Turn Unknown on    .
Your phone will block calls from private or unidentified numbers. You'll still receive calls from phone 
numbers that are stored in your contacts.
Unblock a number
From the   Phone app:
1.
Touch   > Settings > Blocked numbers.
2.
Touch   by the number to unblock.
From the   Messages app:
1.
Touch   > Spam & blocked.
2. Touch the blocked conversation.
3. Touch Unblock.
Identify and block spam callers automatically
For numbers that aren't in your contacts, Google can provide information about the number and warnings 
about potential spam callers.
1.
Touch  .
2.
Touch   > Settings > Caller ID & spam.
3.
Turn See caller and spam ID on    .
4.
To prevent ringing and notifications from suspected spam calls, turn Filter spam calls on    .
You won't receive notifications for these calls, but you'll see them in your call history and can check any 
voicemail you receive.
When Caller ID & spam is on:
•
If you see “Suspected spam caller” or “Spam” for an incoming call, you can answer the call or block and 
report the number.
•
Your phone may need to send information about your calls to Google.
•
It doesn’t control whether your number shows when you make calls.
Contacts, calls, voicemail : Phone calls
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