I upgraded the 3.x version to a newer 3.x version via the online method and then to 4.2.0 and then 4.2.1 manually. What I experience now with the newest firmware is that both 2.4 and 5Ghz WiFi signals become unstable after a while and connections to both LAN and WAN destinations won’t work anymore a…

Actually, now I found out the issue is limited to Manjaro, so I expect an issue with the driver in that distro. Now using Tuxedo OS 2 (based on Ubuntu) and I have no such issues.

Firmware 4.2.1 makes WiFi unstable on AX1800

Technical Support for Routers

K3rn3l_Ku5h May 16, 2023, 11:25pm 2

Did you update U-boot version?