Avoid downloading standalone tetherxp.inf files from unauthorized driver-update websites. These files are frequently bundled with malware or adware. Trust the built-in Microsoft RNDIS driver framework already present on your Windows 10 machine to safely get your tethered connection back online.
Switch to the original OEM cable that shipped with your phone.
"Security and reliability issues with legacy RNDIS implementations on modern USB stacks."
As of 2024–2025:
In the world of Windows drivers, few filenames evoke as much nostalgia and niche confusion as . Designed originally for Windows XP, this driver file is Microsoft’s official Universal Serial Bus (USB) driver for Internet Sharing (tethering) on legacy mobile devices.
The tetherxp.inf file is a plain-text setup information file. It tells the Windows operating system how to install a driver for a specific hardware device.