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problem still the same looks like 5G bugged out i attached the logs hopefully there be a fix. it works for like 4 seconds just randomly disconnects. R3_2026-03-27T17_55_31.139Z_logs.txt

Wife just told me today just happening. I use the router on smart connect her IPad connects to 5g it keeps telling her no internet connection. I used my pc to connect to 5G only and seems 5G doesnt work at all even on my pc and kicked all devices using 5G to use 2.4G Thank you am downloading and testing it out now.

How often is it happening? Does that mean you've split the bands so you can connect to 5G specifically? If so, you're not experiencing the issue over 2.4? I've given you Early Access so you can upgrade to the firmware there to see if it continues https://forum.netduma.com/forum/151-netduma-r3-early-access/

just purchase a R3 off the website router in 3 weeks of use... as of today my 5G randomly disconnects all my wifi devices off, anyone has a fix for this? Rebooting and factory reset does not work. R3_2026-03-27T17_20_05.934Z_logs.txt

Okay so you're in the Virgin Islands, that's interesting, surprising you're not getting the same results straight to the modem. Can you take the modem out of bridge mode, put the R3 in its DMZ instead please and repeat the test?

As above, alternatively you can find versions listed here: https://support.netduma.com/firmwares/netduma-r3/

DumaOS-R3-4.0.290.sigI just searched the firmware version and found it

Hi @Netduma Fraser good evening! Could you please provide me with a download link for version 4.0.290 of the Netduma R3? I want to downgrade the firmware, my connection for games works better with this version !

Local site results

No hybridvpn no blocker no internet rules no port forwarding not using DMZ because modem is in bridge mode.

Can you access via your mobile web browser instead?

Like a local news or local government site for example How did you disable SmartBOOST exactly? Are you using HybridVPN, Adblocker, Internet Rules or made any port forwarding rules/using the DMZ etc?

No I don’t have a pc

This test is to twitter.com not sure if this is what your asking for

What local site do you want me to use?

On R3 smart boost is disabled, geo filter is disabled, WiFi is disabled,wan and lan ipv6 disabled. In advanced troubleshooting settings allow ping is on, syn flood protection is on, dpi classification is on and bi classification is on

Can you show it with a more local site and the 2.5 interval please?

This is isp modem in bridge mode to netduma r3 to pc. Been happening for over a month I had the netduma r3 for over a year and never had this issue

This is isp modem arris tg3452 in bridge mode connected straight to pc cat6 cable

You don't need this now as the DumaOS version from it is on the latest public version of the firmware

Acesso ao Beta

This usually only happens when the main interface isn't accessible, are you able to access via a PC? I've given you Early Access so if you can access the interface via a PC you can upgrade which should prevent the issue happening again https://forum.netduma.com/forum/151-netduma-r3-early-access/

Every time I try logging in it says “unknown error occurred” what is going on I haven’t been able to login in, in about a month.

That's the desktop view, I mean the dumaweb view from the screenshot above that, does Ping Heatmap work that way?