Now when dumb phones also have internet connectivity, is this really sound advice? Having no updates only means that vulnerabilities are not getting fixed. Sinc

Now when dumb phones also have internet connectivity, is this really sound advice? Having no updates only means that vulnerabilities are not getting fixed. Since 4G connectivity and WhatsApp have become the minimum requirement for the bulk of the market, dumb phones have become Linux pcs with always-on internet, too.