Prolific 3.3.2.105 [best] -

Review: Prolific v3.3.2.105 – "Stable Incremental Update"

Rating: 4.5/5

Historical Context

Released around 2012–2014, version 3.3.2.105 was significant because it worked reliably on Windows 7, Windows 8, and early Windows 8.1 systems, bridging the gap between older hardware and newer OS versions. It was one of the last drivers before Prolific began actively blocking counterfeit chips (many low-cost adapters used cloned PL-2303 HX/HXA/EA chips) in later driver releases. prolific 3.3.2.105

1. Executive Summary

Version 3.3.2.105 is an older, legacy driver release. It is highly sought after by technicians and hobbyists because it tends to be more tolerant of counterfeit/fake Prolific chips than the newest official drivers. Review: Prolific v3

Target Hardware: Specifically designed for PL2303 series chips (e.g., PL2303HXA, PL2303XA). Prolific official website and documentation User reviews and

To use this version on a modern PC, you must manually "roll back" or force the installation, as Windows Update will often try to replace it with a non-working newer version. PL2303HX USB-UART Converter Cable - Handson Technology