The Sony Ericsson Device 038 refers to a mobile device (like a Sony Ericsson phone or other Sony Ericsson device) that uses a specific driver to interface with a Windows computer. The driver typically enables the PC Suite software or other utilities to interact with the device for tasks like syncing data, transferring files, and using the phone as a modem or for other connectivity options.

The Sony Ericsson Device 038 Driver is commonly used for the connection of Sony Ericsson mobile phones via USB for purposes such as data transfer, phone synchronization, and sometimes for using the phone as a modem (such as for mobile broadband).