If the methods above do not work, or if you experience intermittent disconnections (since it is an older "Wireless N" standard device using a TV-specific firmware),
The UWA-BR100 is not a generic, plug-and-play USB Wi-Fi adapter. For it to function, the operating system requires a specific driver to properly communicate with the hardware. This is a crucial step, and the lack of official drivers from Sony for Windows 10 is the primary challenge that users face. sony usb wireless lan adapter uwabr100 driver windows 10 upd
Right-click the unknown Sony device and select . Click on the second option: Browse my computer for drivers . If the methods above do not work, or
: Sony has issued an "end of support" notification specifically for products used with the Windows 10 operating system. Third-Party Driver Options (Use with Caution) Right-click the unknown Sony device and select
Here are your most reliable options:
If you already have a version of the driver installed and want to update it:
In the fall of 2025, just as the last amber leaves were falling over Akihabara, a peculiar support ticket arrived at Sony’s legacy hardware division.