Every SIM sold in my country has an app for tracking you that responds silently to type 0 SMS spamming which law enforcement uses

Which country is this?

Any country that has that enhanced 911 law passed so they could quickly find emergency callers, so almost every country. Germany, US, Canada, UK ect.

EFF reported German LE used silent sms over 400,000 times in 2010 to track suspects, activists/anarchists, anybody they want don't need a warrant