@Kevin_Z Yes I reseted the device yesterday, and reconfigure by manually. Did not fix the issue :-( The 5GHz IoT network is working but the 2.4GHz still dosen't work.

@Kevin_Z My device in router mode, latest firmware, and disabled easymesh.

@Hunter_JG same issue here, once I fixed when restore config from backup, but after some days the IoT wireless network disappear again, bit only the 2.4GHz. But my IoT devices can use 2.4GHz only. Is...