Kt20-y-multi-v2.0 Update Now

KT20-Y-Multi-V2.0 update

The is a firmware and system enhancement primarily associated with the DBPOWER T20 and T21 LED projector series. This version (V2.0) focuses on improving connectivity, hardware integration, and overall system stability. Key Update Features

Audio Bug Fixes

: Resolves issues where certain AC3 or Dolby audio tracks would result in "No Sound" during playback. kt20-y-multi-v2.0 update

Expect better stability, faster speeds, and a more refined experience. Don't wait—upgrade your system today to get the most out of your hardware. 🔗 [Link to Download/Release Notes] #KT20YMulti #TechNews #Update #Hardware step-by-step installation guide in this post? KT20-Y-Multi-V2

• Documentation Lags Behind: The official Wiki still references v1.x pinouts. Several users report that the #define MOTHERBOARD value in Marlin changed silently. You’ll need to dig through GitHub commits to find the new board ID.
• USB-C Implementation: While the port is now USB-C, it still operates at USB 2.0 speeds and lacks proper CC resistor negotiation. It works fine with USB-A-to-C cables, but C-to-C from a modern laptop may fail.
• Bootloader Size: The update reduced the bootloader reserved space to 8KB (was 16KB). This gives more flash for firmware features, but do not interrupt the upload – recovery is harder without an external programmer.

Set device to netboot mode: