User manual

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phone is able to show its number and location; while the hidden number means
the caller’s number or location is not accessible. which usually is a harassing
call.
Add a contact or a phone number to the blacklist. Click Phone, then click
Contacts. Choose a contact, then click Add to Blacklist. You can also go to
[Settings] >[System Apps] > [Call] > [Block], or go to [Settings] >[System Apps] >
[Security] > [Block], click [Blacklist], click , then enter the number or choose
your contacts.