Same on my SIM-free GS7 in the UK. They (Samsung) appear to have some kind of crowdsourced database of spam callers in the default phone app (there is an optio

Same on my SIM-free GS7 in the UK. They (Samsung) appear to have some kind of crowdsourced database of spam callers in the default phone app (there is an option built in to report). It works amazingly well and was a surprise when I got this phone, coming from a Nexus 4. It seems to work very well indeed.