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About Unknown Call Blocker
Block all Callers whose number is not saved in your device
Simple and easy
Auto reject calls from numbers which are not saved in your device contacts.
Access these numbers right from this app.
Small app size (Less than 2 MB)
What's new in the latest 1.0
Last updated on Jan 23, 2021
Minor bug fixes and improvements. Install or update to the newest version to check it out!
Videos and Screenshots
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