V2.03.74r Jun 2026

This version represents a maintenance and feature-enhancement update focused on improving management and system stability. It was released in late December 2022. Key Improvements & New Features

The jump to v2.03.74r was largely driven by the need to refine how OLTs handle multicast traffic and security handshakes. According to the V1600D Release Notes on Scribd , the update focused on three primary areas: v2.03.74r

: Check the official website or product documentation for more details on this version. v2.03.74r