@Ali106 Hello, It is always recommended referring to the latest reply from tech support as the plan could be adjusted or changed. If the plan is determined, normally you could find it on our official...

@Bienk Hello, If your computer is Window 10, you could try to use Windows Mobile Hotspot feature https://www.tp-link.com/support/faq/2021/

@Erman Hello, Here is a latest chipset driver for Archer T4U/ T9UH : https://static.tp-link.com/beta/2021/202101/20210108/RTLWlanU_WindowsDriver_1030.41.0514.2020_Drv_3.00.0036(26078).zip

@JohnChong978 Hello, Please check my reply on your original post here, thank you.

@JohnChong978 Hello, Thank you for your reply, as you have requested replacement 2 times, another replacement may not help, I doubt it could be the issue with certain computer or motherboard. If you...

@Muzza Hello, Thank you for the update, can login to router and share a photo of the 2.4Ghz WiFi settings? You could create a Guest WiFi on the new router and see if adapter could see the Guest WiFi...