Install OpenWrt for Xiaomi Redmi Router AC2100
See for https://swsmile.info/2020/06/20/%E3%80%90OpenWrt%E3%80%91%E7%BA%A2%E7%B1%B3%E8%B7%AF%E7%94%B1%E5%99%A8-AC2100-%E5%88%B7-OpenWrt/#more details.
Install OpenWrt for Xiaomi Redmi Router AC2100
See for https://swsmile.info/2020/06/20/%E3%80%90OpenWrt%E3%80%91%E7%BA%A2%E7%B1%B3%E8%B7%AF%E7%94%B1%E5%99%A8-AC2100-%E5%88%B7-OpenWrt/#more details.