This is not factory unlocked, at least not the one i received from wcell. It's not even unlocked. Has bad software versions that won't even allow you to do a software update for the phone, even if you did have it on sprint.
Usb-c to headphone jack works on my note 9 which does have a headphone jack. Great phone and so fast in 5g. I'm a bulgarian and this phone is great in bulgaria.