@Kevin_Z Thanks for the response. I initially updated from 1.2.1 to version 1.3.6 via the auto updater, but I started having noticeable ping spikes in my 5 GHz WLAN. So I checked the forum and found...

Hello, how do I gain access to beta firmware for the Archer C6 v2.0? I can't find any download pages for beta firmware, only some links in this forums. I currently running "1.3.7 Build 20200723...

@alan5579 alan5579 wrote @tudy25 did you already try 1.3.7 beta? https://static.tp-link.com/2020/202007/20200723/ArcherC6v2_eu-up-ver1-3-7-P1%5b20200723-rel33309%5d.zip for me it's good like 1.3.1...