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GT-AX11000 - Totally unreliable 2.4Ghz

Andrew_2468
Level 8
Hi All,

I have an issue with my GT AX11000 router. My router is having issues connecting to pretty much all of my 2.4GHz devices. I have a number of them.
I use the Sonoff Smart switches for various lights and devices around the house. In addition to the smart switches I have a number of Google Smart speakers too.
This issue is intermittent, it may work mostly fine for a week or so. But when you monitor the Network map you can actually see the devices connect and disconnect.
In other instances sometimes NONE of my 2.4GHz devices will connect?
It is like the 2.4GHz radio is on the fritz.

Not even my laptop or cellphone can see the 2.4GHz wireless.

No amounts of reboots, fiddling with settings etc seem to have any affect.
Been on the forums here and on SNB, tried different wireless settings. Still no effect.
Such as:
* Turn off WiFi 6
* Turn off Agile multiband
* Change channel
* Change bandwidth
* Turn off roaming assist ( This helped somewhat as the 2.4Ghz range apparently is poor (But its fine on my cheapie ISP router??))
* Turn off beam forming
* Fiddle with Smart connect either on or off or some variation of this
* I have use the smart connect on all 3 bands, turned smart connect off entirely ( Had 3 separate bands) or had a 2.4GHz band and then smart connect on the
2x5Ghz bands.
* And others I cant even remember
Suffice it to say there has been a fair amount of poking.

Last time when the router would not pick up ANY 2.4GHz equipment, and nothing helped in desperation I did a reset of the device and configured it again manually.
It worked mostly fine for a day or so and then back to its old tricks again where nothing would stay connected for any decent amount of time!?

I have gone through 3 routers (same model) over the last 2 years each time swapped out under a warranty RMA with the supplier.
Each router has had this very same issue.
2.4Ghz is just totally unreliable. I know lots of other forum posts have issues on speed with 2.4Ghz, not an issue here, but constantly my smart speakers or smart switches are unavailable. Essentially anything on the 2.4GHz band.

This issue beyond infuriating.
I have tried multiple firmware version over the last 2 + years, so perhaps not a firmware issue or it is and just not been fixed over the years.

I am lucky enough that I do not have immediate neighbours being in a free standing house. But I still have checked the WiFi channels for congestion there isnt.
My one neighbour's WiFi network is visible but on a different channel (CH2 and mine is CH10 or CH11) and its very low on signal strength, and I have set the WiFi channels manually and tried different variations.

There are no other wireless devices in my house. This is the only router I have powered on.

To troubleshoot the issue further, I dug out my ISP provided router a TpLink Archer C20. Edited its setup to the below.
2.4GHz WiFi is active.
5Ghz is off
DHCP is off and everything else is as it was when it was powered off 2 + years ago.
Plugged a cable into the AX11000 and into a open LAN port on the C20 (Not the WAN port)

On the AX1100
Turned off the 2.4GHz radio in the professional section.

As soon as the TpLink powered on ALL my 2.4Ghz devices are available.?

Please if you have any ideas, share them with me. Perhaps I have missed something?
I am at my wits end. A router at this price point cannot be this useless.

Almost at the point where I am considering installing the Merlin firmware on it to test if this resolves the issue, OR smashing it with a mallet!
But not keen on either as the retailer may take offence and block a further swap out.

Btw: 5Ghz is fine works with no issues.

Thanks all.
My Current firmware on the unit is: 3.0.0.4.386_46065

Footnote, I have included some images of the devices connected and then shortly thereafter with them not connected. Also a screen grab of the log. Forum wouldn't allow a log upload as an attachment.
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31 REPLIES 31

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Of note is the setting:

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dannyvdm
Level 7

nergens last van ..begin eens met alle netwerken in de buurt op de zwarte lijst te zetten

wifi-zwarte lijst ....aanvullen met wat je allemaal tegenkomt ..mac nummers