My company resells Internet access and my understanding is that the NEW MTN LTE connections require a "Cat6" LTE router. The list of "Cat6" routers available locally is growing fast.
HUAWEI has a few models and MikroTik have NEW OUTDOOR models with integrated directional LTE antennas. Most ISP...
Florko suggested: "Just set it as static on the device(s) that connects via the router"
This is indeed a workaround to the POOR user interface implementation on the ZTE MF286 Router.
But not practical if the number of devices that connects to the router is very dynamic and changing all the TIME...