Sony Usb Wireless Lan Adapter Uwa-br100 Driver Windows 10 【TESTED ✰】

Let’s be honest. The UWA-BR100 is a single-band 2.4GHz, 150Mbps adapter. In 2025, even a $10 USB Wi-Fi adapter from Amazon (e.g., TP-Link TL-WN725N or BrosTrend 1200Mbps) will:

If you spend more than 45 minutes troubleshooting the UWA-BR100, your time is worth more than the $12 replacement.


If you absolutely need the Sony official driver, you might have to run Windows 10 LTSB (Long-Term Servicing Branch) 2015 or 2016. This is not recommended for security reasons.

Inside the Sony UWA-BR100 is a Realtek RTL8192CU chipset. By using the generic Realtek driver for that chipset, the adapter works perfectly on Windows 10. sony usb wireless lan adapter uwa-br100 driver windows 10

Step 1: Download the Correct Driver Do not search blindly. Go to a trusted repository like MediaTek’s legacy driver page or a reliable hardware database. The driver you need is often labeled: Ralink RT2870 USB Wireless LAN Card Driver for Windows 10 (64-bit)

Note: As of 2024-2025, a reliable source is the “Microsoft Update Catalog.” Search for “Ralink RT2870” and download the latest CAB file.

Step 2: Extract the Driver Files If you download a ZIP or CAB file, extract it to a folder on your desktop (e.g., C:\UWA_BR100_Driver). Let’s be honest

Step 3: Open Device Manager

Step 4: Force the Driver Update

Step 5: Handle the Driver Signature Warning If Windows warns you about an unsigned driver: If you spend more than 45 minutes troubleshooting

Step 6: Reboot After installation, restart your computer. The adapter should now appear as “Ralink 802.11n Wireless LAN Card” without any errors.


  • Install the Realtek driver

  • Restart your PC

  • After reboot, the adapter should appear as a Realtek RTL8192CU Wireless LAN 802.11n USB 2.0 Network Adapter in Device Manager.