When I purchased it in Februrary 2019, my Archer C5400 worked OK Then I started having issues which I did not understand, until I read here that the new "QoS" (should be called PoS) feature was...

Hi. My C5400, purchased on Amazon.fr (France), shows a "DE" country code, which is Germany. The problem is that the 2nd 5Ghz WiFi network, on auto, switches to channel 116, which my (purchased in and...

@Kevin_Z Thanks for the beta firmware. It appears there was an issue with the router's config. I don't know what it was. The config is ver basic, with 14 IP reservations ans 4 port redirections. I...

Kevin_Z wrote @Jeromec71 Hello, below is the download link of the beta firmware which you can install to give it a go. http://support.tp-link.com/f/32c0a3c0b3/?dl=1 @Kevin_Z I cannot update the...

@Kevin_Z Thanks for the link. The download's file name has "ArcherC5400x" and 'ver1" in int. My router is a C5400 (not X) and has hardware V2. Can you confirm I will not brick it by flashing it with...

Hi. My Archer C5400 shows disappointing speeds via WiFi or Gigabit Ethernet. The speeds are actually the same, so the WiFi connection seems very solid. But overall speed is disappointing. I used to...