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Sometimes you block a number via your messaging app rather than the phone dialer. You usually do not need to do this if you have already unblocked them in the Phone app, but if messages still aren't coming through:

If the person is already saved in your address book, you can often unblock them directly from their profile.

Most modern Android phones, including the Google Pixel line, use the standard Google Phone app. Open the .

Tap (three dots) in the top-right and select Settings . Tap Block numbers .

Works on: Samsung Galaxy S series, A series, and Z series.

Next to the number you want to unblock, tap the or Clear icon, then confirm by tapping Unblock . Samsung Galaxy Devices