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[Tanquen]

Not sure if its rebooting but it is off line for a minute or so.

Something similar used to happen with an old I think HTC Android phone. When the router was set for Wi-Fi G only everything was fine but with N it would reset every so often.

It had been fine for a long time now with my Pixel XL and the Samsung Tab S T800. Then after a number of updates were installed on the T800 (it had been off for a time and there were many app updates) it now just keeps reconnecting with the DIR-655 over and over.

I then noticed that the DIR-655 was also inaccessible at the time and my PC has no internet. So it’s rebooting or resetting over and over. It’s totally repeatable if Wi-Fi on the T800 is on its doing it.

I was going to show the version and firmware but forgot:

Hardware Version: A4
Firmware Version: 1.37NA

US
I tried just B and just G.
WPA-Personal. WPA2/AES Only

Just my Pixel XL and the Samsung Tab S T800.

I can try the other options later:
If you have any of these options, Try turning OFF or ON Short GI, WLAN Partition, Extra Wireless Protection and HT 20/40 Co-existence if you have it. Also testing with HT20/40Mhz Co-existence enabled will impact results as well. I prefer to use this option OFF. Recommended settings are default. Under Advanced/Advanced Wireless.

Maybe the T800 Wi-Fi died after the updates but it seems like it's a new Wi-Fi setting from Samsung that the DIR-655 don't like.
Again everything works as it did if the T800 Wi-Fi is off.

[FurryNutz]

• Link>What Firmware version is currently loaded? Found on the routers web page under status.
• What region are you located?
• What wireless modes are you using?
• 2.4Ghz Routers only: Try single mode G or N or mixed G and N?
• Channel Width set for Auto 20/40Mhz or try 20Mhz only.
• Try setting a manual Channel to a open or unused channel. 1, 6 or 11. 11 for single mode N if the channel is clear.
• What security mode are you using? Preferred security is WPA-Personal. WPA2/AES Only. Some WiFi adapters don't support AES, so you might want to try TPIK only or Auto TPIK and AES.
• What wireless devices do you have connected?
• Ensure any devices with WiFi adapter drivers are updated.
• Any 2.4Ghz or 5Ghz cordless house phones or WiFi APs near by that maybe causing interferences?
• Any other WiFi routers in the area that maybe causing interferences? Link> Use a WiFi Scanner to find out. How many?
• If you have any of these options, Try turning OFF or ON Short GI, WLAN Partition, Extra Wireless Protection and HT 20/40 Co-existence if you have it. Also testing with HT20/40Mhz Co-existence enabled will impact results as well. I prefer to use this option OFF. Recommended settings are default. Under Advanced/Advanced Wireless.

[Tanquen]

The issue is still there with security mode disabled.
Tried B, G and N only.
Tried theses but have no idea if there is some random combo that will work.
   Try turning OFF or ON Short GI, WLAN Partition, Extra Wireless Protection
I can’t find these settings:
Channel Width set for Auto 20/40Mhz or try 20Mhz only.
HT 20/40 Co-existence if you have it

I don’t know why things changed? All was working until the Samsung Tab S was updated.
It looks like they have a history of breaking routers. The last update for the DIR655 had an update to fix connections with Samsung devices.
I guess I finally have to get a new router.

I did take the Samsung Tab S to the office and it seemed to be ok on the wifi there.

_____________________________________________________________________

This is so hard to follow. I found the channel width but there are only two settings and looking at the Wi-Fi analyzer it’s never used 40 MHz. All that said, it seems to be more stable with the 20 MHz setting.

[FurryNutz]

ChannelWidth will be under Setup/Wireless/Manual

HT20/40 will be under Advanced/Advanced Wireless

I presume it had been working and then the tablet was updated, possible something happened on the Tablet side thats made it incompatible with this older router.  If the Tablet isn't connecting to a OPEN wifi unsecure network, then something isn't working right between the tablet and the router...

Well, you could get a DAP or a newer class DIR router and turn into an AP and connect it to the 655 if you like to keep using the 655 has your main host router. I sometimes use a older DIR series router and connect up a AC class router to use it's wifi. Turn off the 655s wireless.