@zexoni70 I updated the latest update Archer AX73 V2 all up version 1.1.2 build 20250210 rel 53421 (5553) few weeks ago, and just updated again the firmware with the same version (the latest) and...

I use wifi analyzer from my mobile phone to get the frequencies and channel width.

I make a new tread as the problem has not been solved. My main router is BE550 V1 firmware 1.0.11 Build 20240807 rel.25691(5347) and I have two Archer AX73 (version 1 and version 2) and 1 RE705X in...

@Marvin_S Thanks for your kind assistances. I have replied to the email from Tp-Link Support.

@Marvin_S Yes I use Wifi Analyzer that can show the frequencies. The Archer X75 V2 if in ethernet backhaul (LAN wired) it operates at 160 Mhz channel width (the main router is set at 80 Mhz cahnnel...

My main router is BE550 V1 firmware 1.0.11 Build 20240807 rel.25691(5347) and I have two Archer AX73 (version 1 and version 2) and 1 RE705X in easymesh setting. I have one iphone 13 Pro Max which...