@Singto What is the current hardware version of the TL-MR6400? Below is the instruction to get it. https://www.tp-link.com/support/faq/46/ Please ensure that the network type of the sim card is...

@aleroi Thanks for your updates, glad to hear that you figured it out. You can clear the caches on Chrome or open a new incognito window to access the wireless settings page. If it still does not...

@Shrikant Hello, thanks for your information. Please help us to get the information below. 1. With computer connected to the Archer C6, please click here to get the wired/wireless negotiation speed...

@Jig71 Thanks for your requesting. Actually, there is no big difference between the 1.2.11 and 1.2.10; 1.2.11 does not support web UI either; you do not have to install it on your Deco M9 Plus....

@animeteme Thanks for your information, we will do further analysis to locate this issue and try to fix it. 1. What is the current network diagram? 2. When the "no internet connection" message pops...

@Oberott Hello, what is the model number of the switch? Please remove the switch and connect the main Deco to the modem only and then test the speed you can get from the main Deco directly. That is...