@VK14 This TL-WN823N only supports 2.4ghz, was your SAMSUNG M31 hotspot also 2.4ghz? Could you please have a look at the post to see if your case is like this as well:...

@Frarod17 May I know the operating system of your computer? Windows 10? You may try to update the driver then monitor the connection again:...

@Daif Sorry to respond late. May I know the operating system of your computer? Is it a Windows 10? Please check on the network adapters and see how many drivers have you installed for this adapter,...

@Kureiton Thanks for reporting the issue to the community again. Have you tried the suggestions we provided here? https://community.tp-link.com/en/home/forum/topic/215446

@abdulkadir7 When it is plugged into the USB2.0 port and connects to the 5G network, how about the wireless negotiation speed on the computer? Check it as below and show us the screenshot:...

@Grillo Have you tried to modify the 5G wireless channel on the Archer C6? You may change the wireless channel to 36/40/44/48, channel width to 40MHz, then confirm. BTW, what is the distance between...