How do I block unknown or hidden numbers from calling me?

You can block unknown numbers in your Phone settings by adding them to your auto-reject list.


Please be aware that while most people choose to block unknown or withheld numbers in order to reduce nuisance calls, you may also block genuine callers who have withheld their number for legitimate reasons if you block unknown numbers.


Please be aware that the screens and path may differ slightly depending on your model or operating system.

1 From the home screen, choose Phone
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2 Tap More (this may appear as three dots on some devices)
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3 Tap Settings
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4 Choose Block numbers

If you do not see this screen, skip to step 6

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5 Switch on Block unknown callers
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6 Tap Call

If you do not see this screen, skip to step 7

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7 Tap Call rejection or Call Blocking
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8 Tap Auto reject list or Block list
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9 Tick Unknown or switch on Block anonymous calls

This option will differ depending on your model and operating system.

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If you're experiencing unusual behaviour on Samsung mobiles, tablets or wearables, you can send us an error report or ask us a question in the Samsung Members app.


This allows us to a closer look at what is happening. The data is anonymised and only held for the duration of the investigation. Find out more about sending an error report through the Samsung Members app.

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