Did you know the Xiaomi Mi Router AX1800 actually supports guest networks? Yes.
: One of the most useful aspects is that the guest network is completely isolated from the primary network. This prevents guests from accessing shared folders, smart home devices, or sensitive files. Dual-Band Support create guest network on xiaomi mi router ax1800 work
Turn off "Smart Connect" (Band Steering) on your main network. Go to Wi-Fi Settings > Smart Connect and disable it. The AX1800 has a bug where Smart Connect conflicts with the Guest Network radio. After disabling, recreate the guest network. Did you know the Xiaomi Mi Router AX1800
While still connected to the Guest network, try to access your main router's admin panel ( 192.168.31.1 ). This prevents guests from accessing shared folders, smart
Have a unique issue not covered here? Check the Community Firmware threads on the official Xiaomi Mi Router forum, or perform a factory reset (hold the reset button for 10 seconds) and repeat the steps from scratch.