@Phxsmos Hi, Please check the hardware version of your TL-WR840N on the label on the bottom. Hardware version 4.x and higher should support Range Extender mode. Hardware versions below 4.x do not.

@Csakzozo Hi, Unfortunately, the times when the stock firmware of routers allowed the user to select a region of his/her own choice are long gone. (perhaps around 10 years already) Furthermore, I am...

@norno Hi, I am afraid you missed one important line in the specification sheet of the Archer C20: "Ethernet Ports: 4 10/100Mbps LAN Ports & 1 10/100Mbps WAN Port" If a router connects to the...

@Jaffaro Hi, Could you perhaps post a screenshot of the settings menu where you configure "bridge mode" on the ADSL Wi-Fi router? I know some router manufacturers use the term "Bridge mode" to refer...

@Creedp Hi, https://community.tp-link.com/en/home/forum/topic/653040 Given the failure description you posted it will likely boil down to "Solution No. 3".

@Kedavr Hi, How was the Tenda adapter? Did it behave exactly like the Archer TX20U Plus? Anyway, USB Wi-Fi adapters like those two, which utilize the RTL8832AU and RTL8832BU chips often show this...