@Mare007 Friend think the European version with the flash memory of 8MB will not have solution, because it does not have enough space for a new firmware with fixes, just compare with the American...

@Kevin_Z If possible I wanted to exchange my router Archer C6 v2.0 (EN), for a same version (US), because all users of the version with flash memory of 8MB just as I'm having problems on the 2.4g...

@Kubas The problem may be there in the size of flash memory, when they implemented the functions One Mesh, Alexa Support, WPA3 Protocol Support and UPNP Lookback Function Support, must have...

@Lucasm I have both versions and I prefer the American, because it has more channels on the 5g network, I think it's hardware problem and not software.

@RedIndianRobin If you had how to install the firmware version (US) would solve the problem, more as the European version has different hardware does not support.

I have the American and European model, in the American has more channels in the 5G band, all updated, but the European always gave problem on the 2.4G network