Originally Posted by marctronixx
need more info.
are you rooted? PRETTY SURE ITS NOT
what carrier? - 3MOBILE
do you have the latest 4.3 update? 4.4 (kitkat)? ANDROID VERSION 4.4.2
amplifier model number? ONKYO TX-SR309
tried a different usb cable? WILL GIVE THAT A GO
its possible this feature is not supported from the htc one.
- DONT KNOW , SORRY
thank you for your original reply.