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I have the same router, and while running this firmware devices would randomly drop off both the 2.4 and 5 GHz bands. While I didn't check the logs, I reflashed the firmware followed by a factory reset several times over, and like you I ended up having the router reboot twice a week in the...

I was successfully able to use the Asus Firmware Restore tool to apply the previous version of GNUton's TUF-AX5400 firmware last night. I let the router sit overnight but it didn't reboot, and it booted into the older firmware after I turned it off, then on again. So it appears that @Tech9 's...

Yes, I noticed that after posting and removed the dots, but no joy. I also tried ".zip" and".zip.zip", and with/without "_COMBO_". Oh, well.

Thanks, @argh0815. That worked.

Thanks for the tip. I did the same with the URL for the latest TUF-AX5400 firmware and tried changing it to: https://dlcdnets.asus.com/pub/ASUS/wireless/TUF-AX5400/FW_TUF_AX5400_3.0.0.4.386.50224.zip?model=TUF-AX5400 but I must have the syntax wrong. I'll keep trying, though. It appears to...

I want to give the latest stock Asus WRT 386-based firmware a better tryout now that I've learned more about optimizing the router's settings for our needs. I also want to see if I can fix my current inability to flash any new firmware to the router. From this post it sounds like the latter...

I may be doing something wrong, but the Asus (US) website for the TUF-AX5400 only shows the most recent firmware (3.0.0.4.388.21224). Is there some trick to finding the older 386-based firmware versions for this particular router? The download page for my RT-AC86U still shows a list of older...

Well, I'm very satisfied with the stability and performance of our router after running with this setup for a week, even though there has been an unusually high number and frequency of military aircraft flying or hovering nearby, and the military is apparently practicing or running an exercise...

As you might expect with two school teacher parents, I like to be using the correct terms and pronunciation when I can. I still remember complaining to my Mom about someone using a word improperly. She laughed and said something like, "That's the beauty of a speaking a living language where...

Thanks, @ColinTaylor. I never understood why I would want to choose my Extension Channels to be "Above" or "Below" the Control Channel, but I have a better idea now.

Wow, how funny. My parents both taught the biological sciences and I'm accustomed to the terminology, so this is good to know. I'll keep using beamforming since its working well, and be thankful for the smart engineers who figure this stuff out. It's easy for me to see how reorienting a...

Regarding Beamforming, my current router has 6 antennae. My DFS channels are still enabled but as you surmised, Wifi Insight shows my Control Channel is 40 with Extension Channels 36, 44, and 48. I had been wondering about the significance of which of the four 20 MHz channels was the Control...

Thanks, Morris. I didn't know that clients also need to monitor DFS channels and envision the impact of being forced to switch to the 2.4 GHz band. Based on what I've seen today, I plan to let the router remain on Channel 40 for now. It's been remarkably stable even though the number of...

Time for some updates. In summary, everything is working well at the moment. Last night I changed the bandwidth from 20/40/80/160 Auto to 80 MHz as web pages were responding slowly on our wirelessly networked computers. When I went to bed, the 5 GHz channel was set to 108. When I awoke today...

That's truly sad. We all seek our own comfort point, I suppose. My family use Bluetooth earbuds all the time, while I prefer not to have a small transmitter/receiver so close to my head for hours on end. Yet I allow my phone to connect to my car's Bluetooth for the convenience and relative...

And a fascinating one at that. "Potentially billions of dollars in profit for a trading firm" from a 2.5 ms difference between a fiber optic link and the best microwave link? That's some pretty high stakes riding on the technology working properly. Here in Hawaii, I've been told of hikers who...

I'm an average joe but have worked with some radio engineers, and I get the concept of higher frequency = lower penetration. It was fascinating to learn that even rain could interfere with outdoor radio signals if the rain was falling at a similar frequency.

I can certainly see that happening. I'd never have thought to turn on DFS before, and now that I have I figure I might as well "go big, or go home," especially while I'm here to watch over it. The chances of being pleasantly surprised are small, but we'll see. I do like that last chart. It's...

Thanks, @ColinTaylor. It's good to know that not seeing channel changes on the 5 GHz band isn't an indication of a problem in my settings.

I apologize for my vague statement. I've never seen either of these situations using non-DFS channels either, which makes sense now that I understand that my router doesn't switch channels on its own. I was thinking it might happen if I was on a DFS channel that was forced to switch and now...