Blocking all calls on an iPhone is a useful feature that allows users to silence all incoming calls, except for those from specific contacts or groups. This can be helpful in situations where you need to focus on a task, avoid distractions, or protect your privacy.
To block all calls on an iPhone, open the Settings app and tap on Phone. Then, tap on Call Blocking & Identification and toggle the switch next to Block All Calls to the on position. You can also choose to block calls from specific contacts or groups by tapping on Blocked Contacts and adding their names or numbers.
