If you look at KingRoot web site ( https://kingroot.net ), you might accidentally assume that it can root any Android devices. KingRoot mobile app and desktop app will attempt to root any devices you aim at. If you want to own and buy rootable devices by checking KingRoot supported devices, it is not recommended. The most viable route for nearly guaranteed rootabiliy is to use a list of devices that TWRP supports. Refer to using https://twrp.me/Devices/ The reason for sharing this post is if you search rootablily for a particular device, there will be lots of confusing posts from individuals web blogs and forums. We feel rooting Android should be as simple as rooting iDevices.