The driver is primarily designed for Windows XP, Vista, and Windows 7. While version 5.1.22.0 is often seen on Windows 10, it lacks official native support for newer operating systems, leading to "Code 1" configuration errors. Frequency Limits:
Because MediaTek acquired Ralink, official legacy drivers are now hosted on the MediaTek Support Site or via third-party repositories. RT2870 | Broadband Wi-Fi Legacy Product - MediaTek 5.1.22.0 driver ralink
Windows Update often pushes later MediaTek drivers (version 5.1.36.0+). To prevent this: The driver is primarily designed for Windows XP,