How do I activate aptX? Sam L. April 26, 2018 06:34 Follow The aptX codec will automatically activate if your Smartphone/Device supports aptX. Have more questions? Submit a request Comments Article is closed for comments. Articles in this section How do I know if aptX is working? Why do I always have to tap the control icons twice? How do I switch between 2 paired devices? How do I reject a incoming call? How do I answer or end a call? How do I activate aptX? A note about using the touch panel buttons. How do I pair my Opal Speaker? What devices can I connect my Opal Speaker to?