It is known to work with Mac OS X versions 10.6.8 (Snow Leopard) through 10.14 (Mojave – see notes below), and has been tested on a wide variety of phones. HoRNDIS (pronounce: “horrendous”) is a driver for Mac OS X that allows you to use your Android phone's native USB tethering mode to get Internet access. HoRNDIS is now maintained by Mikhail Iakhiaev, and this page is in a state of transition – keep your eyes peeled for updates soon.