Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A

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Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A

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Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2018-08-13 20:38:04
when I have the problem I am not able to see the 2.4 wifi in any of the devices. Channel shows as N/A in the web interface and I don't have any problem with the 5 GHz wifi. The only way to get the 2.4 back is by restarting the router. It will work for a couple of days and then the 2.4 disappears from the SSID list
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#92
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Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2018-08-17 17:05:03
I have also a same problem
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#93
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Same problem here.......
2018-08-18 17:52:51
Channel 5GHz-2 is repeatingly disapearing. 2.4 and 5-1 are fine. I'm on the latest FW.

I reached out to support and am busy in the process of changing some settings in the router. Keep you posted at successful modification.
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#94
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Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2018-08-18 18:03:13
Having issue with disappearing 5GHz-2 channel, number 1 and 2.4 GHz are fine. Am in contact with support. When I have a fix, let you know.
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#95
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Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2018-08-23 04:33:28
It took a while and I had to go through a bunch of tests, but I finally received my replacement and it is working great.
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#96
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Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2018-09-01 01:19:53
Is your firmware the latest one? You can email tplink support for further analyze. Thank You.
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#97
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Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2018-09-01 15:42:31
My C5400 2.4GHz has just stop work after a week of using it. All my 2.4GHz device shows this message "Authentication error occurred".

Try Reset, Reload Firmware, change Channel, Security mode, WPA pre-shared key.......

Nothing works

5GHz both still working
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#98
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Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2018-09-02 05:59:20
Well, I'm coming back to this party.
I had my first C5400 replaced under warranty for a dead 2.4ghz channel. Now I have a new issue. The first 5ghz channel is off and cannot be turned on. I receive a message that 5ghz is not available in my country and I am located in the US. The second 5ghz channel is active. I cannot connect to either channel, nor are they visible. Security is off and I have reset the router without success. This router is garbage. I doubt that TP-Link will replace since it is a few months out of warranty. The firmware is the latest version also.
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#99
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Same Issue!
2018-09-12 21:21:05

Shirou wrote

Also joined the club!

This is my second C5400 with this fault - now i´ll try the third one - Amazon delivers on monday ........

i´m very frustrated!!!!!!


I'm having the same problem! Really frustrated! I saw a fix on Nova Launcher prime apk site. But even that didn't work. You should give it a try tho
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#100
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Having terrible issues with this model
2018-09-12 21:24:51
I have been using model C6400 but the problems are killing me.

It's not working! Any fix
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#101
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