G Star Iv Gps Driver !new! Download Bu-353s4 Windows 11 May 2026

The Ultimate Guide: G Star IV GPS Driver Download for BU-353S4 on Windows 11

• Open Device Manager → note COM port (e.g., COM3).
• Use serial terminal at 4800/9600 baud, 8N1, no flow control to view NMEA messages.
• Test with mapping/GPS software (e.g., QGIS, Google Earth Pro via "Real-Time Position", or specialized GPS utilities) selecting the COM port.

1. Reboot your PC (do not skip this).
2. Plug the BU-353S4 into a USB 2.0 port if possible. USB 3.0 ports sometimes cause power management issues.
3. Open Device Manager again.
4. Under Ports (COM & LPT), you should see "Silicon Labs CP210x USB to UART Bridge (COM3)" (the COM number may vary).
5. If you see a normal icon (no yellow triangle), the G Star IV GPS driver download for BU-353S4 on Windows 11 is successful.

• Make sure your GPS device is properly connected to your computer.
• If you encounter any issues during installation, try running the installer as an administrator.

Direct download filename (for reference):

PL2303_Prolific_DriverInstaller_v1_18_0.zip

Note the COM port number (e.g., COM3 or COM4). You will need this for your mapping software.