The tetherxp.inf file is a legacy configuration file used to facilitate USB tethering for Android devices by enabling Microsoft's built-in RNDIS driver, often employed as a manual workaround on Windows 10 for unrecognized devices. While Windows 10 includes native modern RNDIS drivers, this file can be installed via Device Manager to fix connectivity issues by matching specific Android hardware IDs. You can view a common version of the file on GitHub .
The file is a legacy configuration file originally designed by Microsoft to enable USB tethering on Windows XP. While modern versions of Windows, like Windows 10, typically include built-in drivers for this function, users may still encounter issues where their device is not recognized as a network adapter. Understanding tetherxp.inf microsoft driver tetherxp.inf windows 10