Oh I not realized it's possible to manually write an User-Agent header... I feel dumb now...
Falkon, Preferences, Other, User Agent Manager, Use different User Agents for specified sites, Add, Site domain: battlelog.battlefield.com User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.3 works! Thanks for your free & open source work, bye.