GitHub - Baumgartl/openwrt-xiaomi-mir3: OpenWrt with support for the Xiaomi Mi WiFi Router 3 a/k/a MIR3. Based on current stable release v18.06.2 with Linux Kernel 4.14.95.
Xiaomi Wifi Router 3G - 18.06.x / Wifi issues 2.4GHz + 5GHz - Installing and Using OpenWrt - OpenWrt Forum