You're not getting inbound connections on IPv4 without a fight, although, I remember when you used to be able to pay mobile carriers to get a public IPv4 address that might have also been static(!) for VPN purposes. But it's not uncommon for carriers to give you a whole /64 on IPv6, and for that to be full proper connectivity (maybe they block smtp and smb, that's very common).
Yeah, IPv6 isn't everywhere, but if you have it on your phone and everywhere you want to access you phone from...
Yeah, IPv6 isn't everywhere, but if you have it on your phone and everywhere you want to access you phone from...