To ensure your BU-353S4 is actively tracking satellites, download a free GPS testing utility like or GPS Photo Link .
Do not use random "driver updater" software. They often install malware or incorrect Prolific drivers that crash Windows 11.
Follow these steps to ensure a clean installation of your G-Star IV GPS driver. Step 1: Download the Driver G Star Iv Gps Driver Download Bu-353s4 Windows 11
The GPS receiver is compatible with Windows 11 using the Prolific PL2303 Go to product viewer dialog for this item.
Windows 11 may automatically overwrite your working driver during weekly updates. If your GPS suddenly stops working, repeat Step 3 to roll the driver back to the legacy version. To ensure your BU-353S4 is actively tracking satellites,
To confirm the GPS is sending data, you can use a simple terminal program or the utility. If you can't find the official GlobalSat tools, a free program like PuTTY or Tera Term works perfectly. Follow these steps:
: When plugged into a modern laptop, Windows 11 auto-assigns its native driver, prompting a yellow warning icon next to the Prolific USB-to-Serial Comm Port entry. Follow these steps to ensure a clean installation
PL2303_Prolific_DriverInstaller_v1_18_0.zip
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Choose > Let me pick from a list of available drivers on my computer .
Choose > Let me pick from a list of available drivers on my computer .