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PS5/WiFi 6: "Call of Duty" not working, PSN sign in intermittent failures, a fix

MikeSnowden
Explorer

‎05-01-2026 10:55 AM

Last year, I had 900Mbs full fibre installed, and was very pleased - great ping, and sensible download times.  This came with the Wifi 6 hub.

Just after Christmas, my Call of Duty stopped working on Wifi, but still worked on wired - a slow power over ethernet backup, but sometimes useful. Occasionally it would get part-way through the sequence after a restart, but usually nothing.  I was also seeing some level of failure on PSN sign-in, with nothing showing on DownDetector, and sometimes really poor bandwidth on network testing.

After much head scratching, I saw the Hub advanced setting had an option for "Legacy Wifi", listed as WPA2 rather than 3, possibly WiFi 5 protocols. As a last resort, I tried this - success, gaming restored instantly, good network performance.

I'm not sure quite what it fixed, or why the COD has specific issues - I know it is finicky about NAT, but this appears to be a fix for now

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2 REPLIES 2
Northerner
EE Community Star
EE Community Star

‎05-01-2026 11:23 AM

Hi @MikeSnowden 

I assume this is a non pro PS5. If so the issue is the firmware and modem as it has got worse with every update from Sony, although on my Pro this doesn't seem to be an issue as much especially the drop out and reconnecting to PSN which is bloody annoying especially on Cyberpunk! 

I have posted before about this but on the non pro PS5 you need to go into the network settings and change the network to 5Ghz, this helps massively but is dependent on your console location to your modem. 

 

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MikeSnowden
Explorer
In response to Northerner

‎06-01-2026 01:33 PM

Not sure if mine is an original or a Slim - need to check model number.  But I got it before the Pro came out, worn out 3 controllers so far...

OK, so I stopped COD, switched back to the "new" Wifi SSID, and fixed the band to 5Ghz.  PSN logged in fine, with a decent download rate.  Then tried to go into a new COD instance - identical failure as to before.  I then reset to Legacy WIFI, and got straight back in with both.

Unless you've got some other suggestions, which I'd be happy to try, I'll stick with the working config. 2ms-10ms latency if playing early enough to get British lobbies! 🙂

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