
Prolific does not sell cables with Prolific brand and packaging. Prolific advices end-users to only purchase vendor branded cable products with company name contact information for service and support. Prolific also prohibits the distribution of any PL-2303 drivers (including download links) without written permission from Prolific. Prolific will take proper and severe actions to cease and confiscate these counterfeit products. Please be warned that selling counterfeit products are illegal and punishable by civil and criminal courts according to the trademark, copyright, and intellectual properties laws and regulations.

We issue this warning to all our customers and consumers to avoid confusion and false purchase. Counterfeit IC products show exactly the same outside chip markings but generally are of poor quality and causes Windows driver compatibility issues ( Yellow Mark Error Code 10 in Device Manager). Please be warned that counterfeit (fake) PL-2303HX (Chip Rev A) USB to Serial Controller ICs using Prolific's trademark logo, brandname, and device drivers, were being sold in the China market. Log-in to our Support webpage to download more files:


Download File: PL2303_Prolific_DriverInstaller_v4.0.1.zip
