2 RMA's from TP-Link still has the same problem and no firmware update after 2 months. I see from the V1 latest firmware release note "Fixed the bug that SSID may disappear after working for some...

My replacement unit 5 GHZ band 1 is not working. Very frustrated with the product. Still no solution.

I set the channel to fixed and still got the problem.

I am the OP. I had the problem with 2 new C5400. I got it from Amazon it had the problem, I exchanged it with the same model. Had the same problem. I had the RMA created for this one. Not holding my...

Had a remote Teamviewer session with the Tech support. submitted them the logs and waiting for a resolution.

Update: I have a few Dlink Wifi switches (DSP-W110) and when I remove them from the network, the 2.4 seems stable and going strong for more than 2 days. when I connect them to netgear wifi extender...