@Flaga_m What is the firmware version before you updated it? Is there any error message if it cannot access internet via the USB cable? Try to change another USB cable and USB port to plug it. And...

@drsoos Hello, the TL-PA4020PKIT V3 is not available now, and it cannot be found on the official website. Please show us a picture of the back label of the actual device and tell us the model number...

@chjc Hi, sorry to tell you that we provide English service for global users only. You can contact the local tech support to get some help....

@Rigsby You are welcome; feel free to take your time to test it. Any updates, please let us know. Good day.

@dawndreds Hello, the Archer T2U supports dual band, if you want to switch bands with this adapter, you can click the wifi icon on your computer and select the band you preferred to connect. May it...

@Jatin74 t120100 2c1 is a power adapter sold in mainland of China. While as a global tech support, we are not familiar with it. There is another tech support team who can help you and give you a...