@Jonathan_S9 If you want to extend your wireless coverage with an AX series (Wi-Fi 6) router in AP mode use this guide (Case 1). Good candidates are devices like AX20, AX53, or AX55. Keep in mind...

@himanshusharma I see that there's a newer FW release fot AX12 - on the global english support site - you should probably try it and check if there's an improvement - here.(v1.1.22)

@domwild Archer MR200 v1 supports wireless router mode. In this mode its LAN4 port works as a WAN port.

@Leyouyuan Make sure you're with the latest FW on your RE - here. Update it if necessary and test again. Here's how to upgrade the RE firmware.

@xpector As a start you could try to revert back to the previous FW release - Archer C6_V3.2_1.0.15 Build 20220923 manually. Just look at the device bottom sticker to see what's your FW region to...

@pkrisz74 If you want to connect TD-W9980 to your main wireless router wirelessly you can try its WDS feature - details.