@Sankar_SV So with USB adapter plugged into the USB port, it cannot be detected by the computer? What is the model number of your adapter? Try to change another USB port or computer to give it a go....

@adrian64 The Archer T4U has the official driver for Linux (kernel 2.6.18 ~ 4.11). https://www.tp-link.com/support/download/archer-t4u/#Driver What is the hardware version of the Archer T4U? The...

@ataylor That would be great, glad to hear that. You can take more time to test its performance. Any further problem, be free to let me know.

@zook Thanks for your updates, glad to hear that you figured it out. Now you can enjoy the internet with the Archer MR600. If need more help, please let us know. Best regards.

@tiitii Sorry to tell you that we can provide English service for global users now. It is suggested to contact the local tech support to get some suggestion....

@Beton Hello, have you ever tried to upgrade the ISP file yet？ Below is the instruction to do it: https://www.tp-link.com/support/faq/2583/ The download link of the ISP file is...