Xiaomi AX3000T Openwrt

Hardware Questions and Recommendations
1

Warning! Don't brick your router!

There is 1% probability that devices with the Foresee NAND flash chip can be shipped from factory with remapped Bad Blocks. Please use special Test Build PR #17963. For more information see PR #17963

When I saw this message, I didn’t fully understand what you meant. Are Wi-Fi 6 and wireless fully compatible? Some people are getting disconnected.

2

All wifi is wireless, it is in the name...

Please add following from your device:

ubus call system board
cat /etc/config/wireless 
cat /etc/config/network
cat /etc/config/firewall
cat /etc/config/dhcp
logread -e hostap # (just part around preceived bug)

Replace secrets like passwords with ABC and post the result using </> code box(-es)