User manual

7.1.3. Block calls
Block feature does help to prevent unwanted phone calls. You can also add numbers
to blacklist to block specific phone numbers from calling.
Block calls. Go to [Settings] > [Call] > [Block], or go to [Settings] > [Security] >
[Anti-harassment/Fraud]. Click [Block Calls] ll see several options available for
blocking incoming calls:
 Block one-ring incoming calls
 Block calls from hidden numbers
 Block all unknown incoming calls (Do not block repeated incoming calls)
 Block all incoming calls
Note: The unknown number refers to an unsaved real phone number, and your
phone is able to show its number and location; while the hidden number means the
which usually is a harassing call.