Block phone numbers on your iPhone without downloading apps.
Do you receive threatening, extortive, or unwanted phone calls in your iPhone?. You need to know how to block them immediately if the answer is yes! Although the owners of the blocked numbers will be able to keep calling you, these calls will go directly to the voicemail with any disturbing notification.
How to block calls from a specific number on your iPhone
Open the Phone app. Go to Recents.
Touch the i symbol which is at the right side of the phone number or contact you want to block.
You can also block specific contact from the contact book. For this, open the Phone app, enter Contacts, select the Contact you want to block, and touch Block this Caller.
How to block calls from unknown numbers on your iPhone
Go to Settings > Do Not Disturb. Activate Do Not Disturb.
Tap Allow Calls From. select All Contacts.
Doing in this way, you will only receive calls from the contact list numbers.
SEE ALSO:
How to mirror iPhone to TV with Chromecast
How to mirror your iPhone screen to a laptop with 5KPlayer
How to watch Netflix on a Non-Smart TV