Nothing special, I just plugged it in and it worked. I tested it both with the default configuration and also after resetting with no-default-configuration, and it worked fine in both cases. With Personal Hotspot enabled on the iPhone, once you connect it to the hAP AX S, the phone shows a “Trust This Computer” prompt. After accepting it, a dynamic LTE interface appears on the interfaces menu, and the interface gets an IP address automatically via DHCP client.