Hi@Giang97 & @sperla , Thanks for contacting our community. @sperla , Do you mean that you have enabled DoH to log in to the web UI of the Archer AX55? Our technical staff has attempted to reproduce...

Hello @Giang97 , Welcome to our community. What type of VPN? Is it also the OpenVPN that you have set? I noticed that you have posted your situation on another post. Have you tried the suggestions of...

Hello @GregObleshchuk , Thanks for contacting our community. For your case, our technical staff has attempted to reproduce this unexpected behavior. I'll make sure to post back here if there are any...

Hello@Gabi77 , I've already responded to you in your other thread; please refer to the suggestions there. In addition, we recommend that you submit your questions and inquiries in the same thread to...

Hello@SRobert , Welcome to our community. When you tried to update the firmware, was any device connected? Please temporarily disconnect all clients and then try to update the firmware again.

Hello @Moonsie , Have you tried to update firmware via the utility: How to update the firmware using the tpPLC Utility on Windows?